US Patent Class 411
EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
Click for Main Headings
Click DF for Definitions
Click for All Classes

Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services


  DF  CLASS NOTES
1  DF  TORQUE RESPONSIVE NUT OR BOLT DRIVING CONNECTION
2  DF  .~ Frangible connection
3  DF  .~.~ Between concentric elements
4  DF  .~.~.~ Shear pin connecting means
5  DF  .~.~.~ Axially displaced
6  DF  .~ Resilient connection
7  DF  .~.~ Ratchet
8  DF  WITH MEANS TO INDICATE APPLICATION OF PREDETERMINED STRESS-STRAIN
9  DF  .~ Axially deformable member or portion
10  DF  .~.~ Deformable washer
11  DF  .~.~.~ Resilient
12  DF  .~.~.~.~ Coil spring
13  DF  .~ Color indicator
14  DF  .~ Including gauge means
14.5  DD  TENSIONED ALONG THE LONGITUDINAL AXIS BY A COAXIAL FORCE APPLYING DEVICE (E.G., MECHANICAL TENSIONER)
15  DF  HAVING SEPARATE EXPANDER MEANS
16  DF  .~ Helical anchor
17  DF  .~.~ Mates with mandrel thread
18  DF  .~.~ With wedge-shaped expander
19  DF  .~ Fluent pressure actuated
20  DF  .~.~ Explosive
21  DF  .~ Having securing element projecting through aperture in sleeve
22  DF  .~.~ Deformable element
23  DF  .~.~.~ Flowable mass
24  DF  .~ Oppositely acting double wedge expander means
25  DF  .~.~ Outwardly moving
26  DF  .~.~ Both wedges provided with thread cooperating means
27  DF  .~.~ Having rotation preventing means
28  DF  .~.~.~ Groove and follower
29  DF  .~ With hole forming means
30  DF  .~.~ Formed on expansible sleeve
31  DF  .~.~.~ Serrated end
34  DF  .~ Bulged by axially contracting ends
35  DF  .~.~ Having wedge-shaped section acting in slot
36  DF  .~.~ Twistable sleeve
37  DF  .~.~ Bulged portion having additional gripping means
38  DF  .~.~ Bulged portion including bend line or reduced section
39  DF  .~ Frangible member
40  DF  .~.~ Frangibly connected expander
41  DF  .~.~.~ Projecting outwardly from head
42  DF  .~.~ Sleeve including weakened portion
43  DF  .~.~ Frangible mandrel
44  DF  .~ Including sleeve and distinct tapered expander (e.g., anchor bolt type)
45  DF  .~.~ And means to captively retain expander
46  DF  .~.~.~ Follower captive within groove
47  DF  .~.~.~ Bridge-type retainer
48  DF  .~.~.~ Tongue-type retainer
49  DF  .~.~ Relative rotation preventing means
50  DF  .~.~.~ Guide and follower
51  DF  .~.~.~.~ Splines
52  DF  .~.~.~.~ Follower defined by corners of polygonal element
53  DF  .~.~.~.~ Expander type
54  DF  .~.~ Expansible element moved relative to stationary expander
54.1  DD  .~.~.~ Spread by pressing element over initially inserted expander (e.g., push type)
56  DF  .~.~ Stepped expander
70  DF  .~.~ Expander having integral pull stem
57.1  DD  .~.~ Slotted sleeve spread by tapered expander
61  DF  .~.~.~ Folded blank type
58  DF  .~.~.~ Both ends slotted
59  DF  .~.~.~ Slot spaced from ends
60.1  DD  .~.~.~ Expander moved into stationary sleeve (i.e., pull type)
60.2  DD  .~.~.~.~ Threaded expander
60.3  DD  .~.~.~.~ Including a hinge or hinge-like portion
62  DF  .~.~.~ Slot angularly related to sleeve axis
63  DF  .~.~ Plural-sectioned sleeve
64  DF  .~.~.~ Having section retainer
65  DF  .~.~.~.~ Ring or sleeve type
66  DF  .~.~.~.~.~ Destructible
67  DF  .~.~.~.~ Bight type
68  DF  .~.~.~.~ Tongue and groove
69  DF  .~.~ Expander or sleeve extruded during expansion
71  DF  .~.~ Sleeve having external gripping means
72  DF  .~.~.~ Circumferential rib
73  DF  .~.~.~.~ And longitudinal rib
74  DF  .~.~.~ Struck from sleeve
55  DF  .~ Threaded expander
75  DF  .~ Relatively sliding wedge surfaces
76  DF  .~.~ Wedge received in transverse slot in holding device or anchor
77  DF  .~.~.~ Double-faced wedge
78  DF  .~.~ Having wedge retainer means
79  DF  .~.~ Wedge surfaces act in single lateral direction
80  DF  .~.~ Including discrete activating means for wedge
80.1  DD  .~ Comprising a head and expandable portions spread by fastener (e.g., drywall anchor)
80.2  DD  .~.~ Three or more expandable portions
80.5  DD  .~ Sleeve type (headless) with longitudinal slot, slit, or split expanded by fastener
80.6  DD  .~.~ Sleeve threaded
32  DF  .~ Made up of plural expansible segments or sections
33  DF  .~.~ Identical segments
82  DF  MADE, MODIFIED, OR PREPARED FOR SETTABLE MATERIAL
82.1  DD  .~ Injected after fastener placement
82.2  DD  .~ Adhesive coating
82.3  DD  .~ Adhesive encapsulated
82.5  DD  TEMPERATURE SENSITIVE OR RESPONSIVE
81  DF  THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL)
84  DF  .~ Prefabricated assembly comprising strip or sheet member carrying plural, similar fasteners
85  DF  .~.~ Including element for holding fasteners against separation from member
86  DF  .~ Including a series of elements, one element restricting two fasteners of a plurality, and the remainder each restricting one fastener
87  DF  .~ Elongate member extending between and interlocking plural bolts or nuts
88  DF  .~.~ Member engages inwardly facing surface and a flat side of bolt head or nut
89  DF  .~ Member extending between plural fasteners and restricting the rotation thereof in one direction more than the other (e.g., pawl and ratchet)
90  DF  .~ Member extending between and engaging flat formed on side of each of a plurality of bolts or nuts (e.g., side lock)
91  DF  .~.~ And element on opposite face of substructure restricting rotation of a cooperating nut or bolt
92  DF  .~.~ Having plural openings or notches engaging a bolt or nut on two sides
93  DF  .~.~.~ Having plural parts, one of which engages the inwardly facing surface of a bolt head or nut
94  DF  .~.~.~.~ Special fishplate engaging inwardly facing surface
95  DF  .~.~.~.~ Elastically or plastically deformable part
96  DF  .~.~.~ Having plural parts, one comprising a keeper
97  DF  .~.~.~ Unitary member, deformable in whole or in part
98  DF  .~.~ And engaging the inwardly facing surface of the bolt heads or nuts
99  DF  .~.~ Including separable keeper for member
100  DF  .~.~ Including element spacing member from substructure
101  DF  .~ Locked by a piece abutting inwardly facing surfaces of a plurality of nuts or bolt heads
102  DF  .~ Locked by a piece connecting two consecutive fasteners
103  DF  .~ Multipart nut assembly with one member attached to structure or substructure
104  DF  .~.~ Through-passage or recess having laterally extending entry for inserting member and nut
105  DF  .~.~ And a second substructure and means for capturing a complementary nut or bolt thereto
106  DF  .~.~ Having means for coupling a bolt to a nut (e.g., thread lock)
107  DF  .~.~ Member anchors bolt in substructure with threaded portion exposed (e.g., stud bolt)
108  DF  .~.~ Nut-encompassing sleeve member engaged within through-passage or recess
109  DF  .~.~ Locking ring coaxially related to an elongated, externally threaded nut
110  DF  .~.~ Member comprises a longitudinal key
111  DF  .~.~ Member includes elastically or plastically deformable portion
112  DF  .~.~.~ Having elastically deformable portion for attaching member to substructure
113  DF  .~.~.~ Plastically deformable portion
114  DF  .~ Locked by pawl and toothed or tooth-like piece
115  DF  .~.~ Having discrete, reciprocably movable pawl
116  DF  .~ Head or nut side face held by discrete member (e.g., side lock)
117  DF  .~.~ Adjunct carried flat or formaton
118  DF  .~.~ And thread lock coupling complementary fasteners
119  DF  .~.~ Member having opening or notch engaging a bolt head or nut on two sides
120  DF  .~.~.~ And element maintaining member in operative engagement with bolt head or nut
121  DF  .~.~.~ Member elastically or plastically deformable for attaching it to bolt head or nut
122  DF  .~.~ Member having portion (e.g., tab) deformable in situ into engagement with flat or formation
123  DF  .~.~.~ And having specific structure to coact with substructure
124  DF  .~.~.~.~ Projection on member and coacting formation in substructure
125  DF  .~.~ Sheet metal member having resilient pawl distorted therefrom
126  DF  .~.~.~ Member includes means which attempt to penetrate substructure
127  DF  .~.~.~ Member abuts coacting part on substructure
128  DF  .~.~ Member, or portion thereof, comprises movable pawl
129  DF  .~.~ Member engages inwardly facing surface of bolt head or nut
130  DF  .~.~.~ And is formed from plural, cooperating parts
131  DF  .~.~.~ And has specific structure to coact with substructure
132  DF  .~ Lock washer-type member located between substructure and bolt head or nut
133  DF  .~.~ Member fixed to bolt shank, and member or bolt fixed to substructure
134  DF  .~.~ Means holding member to bolt, nut or substructure prior to use
135  DF  .~.~.~ By discrete element
136  DF  .~.~ Member comprises looplike element (e.g., washer) interlocked with additional element, one of them engaging substructure or surface in other than planar, face-to-face contact
137  DF  .~.~.~ Two looplike elements interlocked by laterally introduced key
138  DF  .~.~.~ Pawl element, movably carried by looplike element, coacts with ratchet on surface
139  DF  .~.~.~ Laterally introduced key locks looplike element to surface
140  DF  .~.~ Elongate member moves in longitudinally extending opening in bolt head or nut to enter substructure
141  DF  .~.~ Locking dog or pawl carried by bolt head or nut and engaging substructure
142  DF  .~.~ Key introduced laterally at juncture of surface and substructure
143  DF  .~.~ Formations on either member or surface, and cooperative, restricting means on the other
144  DF  .~.~.~ Formations on surface, means on member, one of which presents a sharp-edged configuration
145  DF  .~.~.~.~ Formations comprise ramplike teeth, means comprises a movable pawl
146  DF  .~.~.~.~.~ And substructure accommodation for member portion
147  DF  .~.~ Member comprises washer formed as closed loop or apertured plate or as split ring
148  DF  .~.~.~ Engaging side wall of counterbore in substructure
149  DF  .~.~.~ Plural, axially adjacent washers, or plural part washer
150  DF  .~.~.~.~ Having one washer, or washer part, of a more yieldable nature than another washer, or part
151  DF  .~.~.~ Split ring having radially outwardly extending end
152  DF  .~.~.~ Ends of split ring overlap in stressed condition
153  DF  .~.~.~.~ Overlap of at least 180 degrees (e.g., coil)
154  DF  .~.~.~ Apertured plate of uniform thickness having undulating contact surfaces
155  DF  .~.~.~ Apertured plate having arched sectional configuration (e.g., concavo convex)
156  DF  .~.~.~.~ Arched configuration circumscribes aperture
157  DF  .~.~.~ Split ring having opposed ends offset axially
158  DF  .~.~.~.~ Contact surface contains a plurality of generally radially extending ridges or grooves removed from the ends
159  DF  .~.~.~.~ Cross section other than rectangular
160  DF  .~.~.~ Closed loop having plural variations in the profile of a contact surface or a peripheral edge thereof
161  DF  .~.~.~.~ Variations comprise generally radially extending ridges or grooves
162  DF  .~.~.~.~ Variations comprise circumferentially spaced projections or recesses inset from both peripheries
163  DF  .~.~.~.~ Variations are teeth located along a periphery
164  DF  .~.~.~.~.~ Both peripheries
165  DF  .~.~.~.~.~ Each twisted about its radial axis
166  DF  .~ Design of fastener or substructure restricts rotation (e.g., flattened head rotatable in receiving slot, depression in substructure, bolt clipped to substructure)
167  DF  .~.~ Locknut type on fastener
168  DF  .~.~ Including a lock thread
169  DF  .~.~ Mass of bolt head or nut offset from fastener longitudinal axis
170  DF  .~.~ Nut and washer type formed from single blank folded over substructure
171  DF  .~.~ Bolt or nut adapted to be fused directly to substructure (e.g., weld nut)
172  DF  .~ Nut having a portion for attachment to substructure
173  DF  .~.~.~ Means to engage extends through aperture
174  DF  .~.~.~ Means to engage grasps an edge of substructure
175  DF  .~.~.~.~ And has projection contacting periphery of aperture
176  DF  .~.~ Fastener having a deformable portion or deforms substructure (e.g., prong)
177  DF  .~.~.~ Nut assembled to substructure utilizing cooperating regions on both
178  DF  .~.~.~.~ Nut is externally and internally threaded cylinder
179  DF  .~.~.~.~ Nut penetrates substructure and anchors itself thereto (e.g., pierce nut)
180  DF  .~.~.~.~ Nut deforms wall of preformed opening in substructure during assembly
181  DF  .~.~.~.~ Both cooperating regions deformed
182  DF  .~.~.~.~ Nonmetallic nut, resiliently deformed during assembly
183  DF  .~.~.~ Nut assembled to substructure by plastically deformable region on nut
184  DF  .~.~.~ Region on inwardly facing surface of bolt head or nut
185  DF  .~.~.~.~ Surface extends radially beyond flat sides of bolt head or nut
186  DF  .~.~.~.~.~ And includes resilient flange
187  DF  .~.~.~.~ Having axially directed projection or recess
188  DF  .~.~.~.~.~ Plural, radially extending, and generally equally spaced
189  DF  .~.~.~.~ Surface deforms resiliently
190  DF  HAVING STRUCTURE TO RESTRICT ROTATION OF THREADED, MATING PIECES (E.G., NUT LOCK)
191  DF  .~ Structure contacts nut piece side and is fixed to the nut
192  DF  .~.~ And contacts mating piece side
193  DF  .~.~.~ Utilizing a resilient characteristic of the member, or of a discrete element
194  DF  .~.~.~.~ With a discrete, resilient element
195  DF  .~.~.~ Other element is a bolt, and member includes opening configured to engage side flat thereon
196  DF  .~.~.~.~ And further includes spaced, axially extending legs for engaging side flats on the nut
197  DF  .~.~ Structure is coaxial, distinct member (e.g., washer) that restricts nut piece when fixed
198  DF  .~.~.~ Utilizing a resilient characteristic of the member, or of a discrete element
199  DF  .~.~.~.~ Member comprises key movable laterally into engagement with threaded elements
200  DF  .~.~.~ Member comprises key movable laterally into engagement with threaded elements
201  DF  .~.~.~ Member includes plastically deformable portion
202  DF  .~.~ Utilizing a resilient characteristic of the member, or of a discrete element
203  DF  .~.~.~ With a discrete, resilient element
204  DF  .~ Structure is coaxial, distinct member (e.g., washer, key, or nut portion) that restricts nut piece
205  DF  .~.~ Member includes pawl- or pivoting key-type portion engaging threads
206  DF  .~.~.~ Utilizing a resilient characteristic of the key, or of a discrete element
207  DF  .~.~.~.~ With a discrete, resilient element
208  DF  .~.~.~.~.~ And key engageable with aligned formations (e.g., grooves) in axially outwardly facing portion of each threaded element
209  DF  .~.~ Member includes key, screw, tongue, etc. perpendicular to threads
210  DF  .~.~.~ Utilizing a resilient characteristic of the key, or of a discrete element
211  DF  .~.~.~.~ With a discrete, resilient element
212  DF  .~.~.~ Including plastically deformable portion
213  DF  .~.~.~.~ Comprising an elongated element divided longitudinally (e.g., a cotter pin)
214  DF  .~.~ Member includes screw receivable in an axially extending, internally threaded bore
215  DF  .~.~.~ With an additional member between screw and axially outwardly facing portion
216  DF  .~.~ Member or portion includes an axially disposed key
217  DF  .~.~.~ Key coacts with bolt by occupying an axially extending recess formed in the radially outward surface thereof
218  DF  .~.~.~.~ And includes a portion adapted to extend into a transverse opening provided in the bolt
219  DF  .~.~.~.~ And includes a portion adapted to engage a substantial part of the periphery of the bolt
220  DF  .~.~.~.~ And includes a region plastically deformable into engagement with the axially outwardly facing portion
221  DF  .~.~ Member or portion includes piece that interlocks with an axially extending recess or slot in a bolt and a recess in an axially outwardly facing side of a nut
222  DF  .~.~ Internally threaded locking member (e.g., jam nut)
223  DF  .~.~.~ Including means associated with at least one of the nuts for restricting rotation therebetween
224  DF  .~.~.~.~ Key received in part in each of the nuts
225  DF  .~.~.~.~.~ Including a plastically deformable portion
226  DF  .~.~.~.~.~ Received in axially extending passages or recesses
227  DF  .~.~.~.~ Comprising one or more discrete members serving as a pawl and ratchet
228  DF  .~.~.~.~.~ Inherently resilient pawl
229  DF  .~.~.~.~ Axially directed, resiliently biased detent means
230  DF  .~.~.~.~ Canted element
231  DF  .~.~.~.~ With means resiliently biasing the nuts apart
232  DF  .~.~.~.~ Side lock
233  DF  .~.~.~.~.~ Integral deformable means
234  DF  .~.~.~.~.~ By a discrete element
235  DF  .~.~.~.~.~.~ Periphery encompassing means (e.g., a sleeve)
236  DF  .~.~.~.~.~.~ Including plastic deformation (e.g., bending) of the discrete element
237  DF  .~.~.~.~ Having a part of one of the nuts extending into a circular, axially directed recess of the other, and further including, in the region of the recess, formations cooperating to restrict relative rotation
238  DF  .~.~.~.~.~ At least one of the formations comprises a surface eccentric to the longitudinal axis of the nuts
239  DF  .~.~.~.~ Including cooperating formations on the axially opposing portions of the nuts
240  DF  .~.~.~.~.~ Comprising teeth of the ramp and buttress type
241  DF  .~.~.~.~.~ Comprising surfaces of a curvilinear nature
242  DF  .~.~.~.~ Plastic deformation of at least one of the nuts
243  DF  .~.~.~.~ Reversed internal and external threads on one of the nuts
244  DF  .~.~.~.~ Oppositely threaded
245  DF  .~.~.~.~.~ Intersecting threads on the bolt
246  DF  .~.~ By thread-gripping locking element
247  DF  .~.~.~ Resilient grip
248  DF  .~.~.~.~ Split ring
249  DF  .~.~.~.~.~ Including structure interfitting within a thread for less than a full turn thereof
250  DF  .~.~.~ Wire structure
251  DF  .~.~.~.~ Helically coiled wire
252  DF  .~.~.~.~.~ Including a free end in nonrotational engagement with the threaded element
253  DF  .~.~.~ Gripping member includes a tapered section adapted to be axially depressed to cause radial movement of a portion thereof
254  DF  .~.~.~ Gripping member is moved radially into engagement with the threads
255  DF  .~.~.~.~ Including discrete means to move or to lock the gripping member relative to the externally threaded element
256  DF  .~.~.~ Gripping member is moved tangentially into engagement with the threads
257  DF  .~ Including material in the nature of (1) a metallic coating, (2) a quantity of fusible metal or (3) a discrete member formed of ductile metal
258  DF  .~ Including settable material
259  DF  .~ Comprising a thread lock
260  DF  .~.~ Including a distortable metallic washer or sleeve
261  DF  .~.~.~ In the nature of a dished washer
262  DF  .~.~ Including a coil spring
263  DF  .~.~ Differential thread means
264  DF  .~.~ Rocking thread section on the externally threaded element
265  DF  .~.~ Including a tapered (e.g., a conical) surface for wedging the internally threaded element against the externally threaded one
266  DF  .~.~.~ Segmented internally threaded element
267  DF  .~.~.~.~ Discrete segments carried within a housing
268  DF  .~.~.~.~ Including a discrete, threaded member carrying the tapered surface and threadedly engaging one of the threaded elements
269  DF  .~.~.~.~.~ Engaging a threaded exterior provided on the segmented element
270  DF  .~.~.~.~ Including a sleeve or washer type member for carrying the tapered surface and surrounding the segmented element
271  DF  .~.~ Externally threaded element includes an axially extending opening in its free end for receiving an expander member
272  DF  .~.~ Including camming surfaces on the threaded elements or on an additional member
273  DF  .~.~.~ With a camming member having an eccentrically arranged recess for receiving the internally threaded element
274  DF  .~.~ Having an element, or with a discrete member, adapted to cant the assembly
275  DF  .~.~.~ With a discrete, canting member (e.g., a washer)
276  DF  .~.~ Having the internally threaded element distorted
277  DF  .~.~.~ Radially inward distortion
278  DF  .~.~.~.~ With discrete means carried by the element for producing the distortion
279  DF  .~.~.~.~.~ Threaded means
280  DF  .~.~.~.~ Of cantilevered segments (e.g., castellated end)
281  DF  .~.~.~.~ Of circumferentially spaced areas of continuous periphery
282  DF  .~.~.~.~.~ Defining a smooth curving, noncircular thread section (e.g., elliptically shaped)
283  DF  .~.~.~.~.~ Impacted areas
284  DF  .~.~.~.~.~.~ Located on the flats of a polygonally shaped element
285  DF  .~.~.~ Axial distortion
286  DF  .~.~.~.~ With discrete means carried by the element for producing the distortion
287  DF  .~.~.~.~ By axially directed impacted areas
288  DF  .~.~.~.~ Of axially spaced threaded sections
289  DF  .~.~.~.~.~ Coiled spring
290  DF  .~.~.~.~ Including a region displaceable generally axially relative to another part of the element
291  DF  .~.~.~.~.~ Having at least one region formed by a cut, slot, etc., across at least one sidewall of the element and extending generally radially into the element
292  DF  .~.~ Including a longitudinal locking member
293  DF  .~.~.~ Having a toothed surface
294  DF  .~.~ Including a radial locking member
295  DF  .~.~.~ Threadedly received in the internally threaded element
296  DF  .~.~ Side clutch
297  DF  .~.~.~ Roller
298  DF  .~.~.~ Ball
299  DF  .~.~.~ Spring
300  DF  .~.~ Tangential locking member
301  DF  .~.~ Elastic gripping action
302  DF  .~.~.~ Elastic insert
303  DF  .~.~.~.~ Disposed in a counterbore in the internally threaded element
304  DF  .~.~.~.~ Disposed within an interruption of a threaded surface
305  DF  .~.~ Externally threaded element adapted to be compressed radially inwardly
306  DF  .~.~.~ Resilient element
307  DF  .~.~ Having threads of different pitch, or a thread of varying pitch
308  DF  .~.~ Involving dissimilarities in the sectional configuration of the threads
309  DF  .~.~.~ Resulting in the deformation of one thread by the other
310  DF  .~.~.~.~ By integral, interference-producing deviations from a standard thread shape
311  DF  .~.~.~.~.~ Located in the vicinity of the crest or the root of the thread
312  DF  .~.~ Including means biasing the threads in axially opposed directions
313  DF  .~ Washer having a deformable portion engageable with a threaded element
314  DF  .~.~ Resiliently deformable portion
315  DF  .~ With a member in the nature of a rotation preventing key movable laterally into engagement with the threaded elements
316  DF  .~.~ And utilizing a resilient characteristic of the key, or of a discrete element
317  DF  .~.~.~ With a discrete, resilient element
318  DF  .~.~.~.~ Comprising a spring of the coiled type
319  DF  .~.~ And including a plastically deformable portion
320  DF  .~.~.~ Comprising an elongated element divided longitudinally (e.g., a cotter pin)
321  DF  .~ With an elongated member in the nature of a rotation preventing key disposed axially of the threaded elements
322  DF  .~.~ And utilizing a resilient characteristic of the key, or of a discrete element
323  DF  .~.~ And including a plastically deformable portion
324  DF  .~ Elastic gripping action
325  DF  .~ Externally threaded element includes an axially extending opening in its free end for receiving an expander member
326  DF  .~ Pawl and ratchet
327  DF  .~.~ Pawl carried by the internally threaded element
328  DF  .~.~.~ Pivoted pawl
329  DF  .~.~.~ Resilient pawl
330  DF  .~.~ Washer carried pawl
331  DF  .~.~.~ Resilient
332  DF  .~ Including teeth of the ramp and buttress type on the axially inwardly facing portion of the internally threaded element
333  DF  .~ By deformation of a threaded element
334  DF  .~.~ Plastic deformation
335  DF  .~.~.~ Of an internally threaded element
336  DF  .~.~.~.~ Into an interruption in the thread of the externally threaded element associated therewith
337  DF  HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP
338  DF  .~ Lap bolt or fastener
339  DF  .~.~ Interference fit type
340  DF  .~ Securing means pivotable about axis transverse to fastener axis, e.g., toggle bolt, etc.
341  DF  .~.~ And biasing spring
342  DF  .~.~.~ Spring engaging securing means
343  DF  .~.~.~ Spring at opposite end from securing means
344  DF  .~.~ And discrete manual actuating means
345  DF  .~.~ And pivoted retention means
346  DF  .~.~ Channel shaped securing means
347  DF  .~ Headed fastener element with securing means and biasing spring
348  DF  .~.~ Ball detent securing means
349  DF  .~.~ Securing means rotatable about fastener element or rotatably engageable by tool-rotatable headed fastener element
549  DF  .~.~.~ Outwardly extending projection cooperates with socket member having ramp engagement means
550  DF  .~.~.~.~ Including means providing axial adjustment
551  DF  .~.~.~.~.~ Threaded adjustment
552  DF  .~.~.~.~ And discrete biasing spring
553  DF  .~.~.~.~ Similar, opposed ramp surfaces
554  DF  .~.~.~ Helically slotted securing means having cooperating engaging portion on socket member
555  DF  .~.~.~.~ Through-slot for engagement with crossbar
350  DF  .~.~.~ Securing means rotatable and axially movable, e.g., wear takeup means, etc.
351  DF  .~ Draw bar or draft key fastener
352  DF  .~ Metallic resilient securing means
353  DF  .~.~ Retainer ring
354  DF  .~ Wedge-securing means
355  DF  .~.~ And apertured bolt
356  DF  .~ Penetrating pin securing means
357  DF  .~.~ Longitudinally inserted
358  DF  .~.~.~ Outwardly deflected
359  DF  .~.~.~.~ Bifurcated
360  DF  .~ Deformable securing means
361  DF  .~.~ Swageable collar
362  DF  .~.~ Securing means deflecting a portion of fastener end
363  DF  .~.~.~ Plural end legs
364  DF  .~.~.~.~ Cotter pin fastener
365  DF  .~.~.~.~ Circular deflector
366.1  DD  .~ Headed bolt or screw with threads and complementary nut
367  DF  .~.~ Having stay bolt spacer sleeve
368  DF  .~.~ Having washer
369  DF  .~.~.~ Including sealing means
370  DF  .~.~.~.~ Stay bolt bearing washer
366.2  DD  .~.~ Flush mount or low profile
366.3  DD  .~.~ Threads having a specific pitch or angle
371.1  DD  .~ Sealing-type washer compressed by head
371.2  DD  .~ Washer adjacent head and having a particular shape (e.g., dished) or composition
372  DF  .~.~ And separate attaching or retaining means
372.5  DD  .~ Cap over the head
372.6  DD  .~.~ Having attaching or retaining means
373  DF  .~.~ Attachable cap structure
374  DF  .~.~.~ By screw means
375  DF  .~.~.~ Crimpable
376  DF  .~.~.~ Weldable metal
377  DF  .~.~.~ Moldable
378  DF  EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC.
379  DF  .~ Stay bolt
380  DF  .~.~ Having spherical head
381  DF  .~.~.~ And telltale bore
382  DF  .~.~ Having telltale bore
383  DF  .~ Multipart
384  DF  .~.~ Axially adjustable
385  DF  .~.~ Comprising longitudinal side-by-side sections
386  DF  .~ Pilot end having means enhancing fastening or installation
387.1  DD  .~.~ Drill-tip-type end
387.2  DD  .~.~.~ Having a reaming portion
387.3  DD  .~.~.~ Having enhanced gripping structure
387.4  DD  .~.~.~ Thread-tapping portion or with thread pitch stabilizing ridge
387.5  DD  .~.~.~ Having distinct, spaced cutting edges or points (e.g., prongs)
387.6  DD  .~.~.~ Resembling a twist-drill-type bit
387.7  DD  .~.~.~.~ Cuttings or chips moved along curved relief channel
387.8  DD  .~.~.~.~ And specified cutting edge, face, rake, relief surface, or flute angle (e.g., axially facing facets)
388  DF  .~ Double-ended
389  DF  .~.~ Both ends threaded
390  DF  .~ Single element having means facilitating or effecting separation
391  DF  .~.~ By fluent pressure
392  DF  .~ Resiliently flexible
393  DF  .~ Set screw
394  DF  .~ Drive screw
395  DF  .~ Having bore therethrough
396  DF  .~ Separate head element
397  DF  .~.~ Threadedly attached to shank
398  DF  .~ Head eccentric with respect to fastener axis
399  DF  .~ Head having counter-sinking means
400  DF  .~ Hook head, e.g., J-bolt, etc.
401  DF  .~ Elongated head, e.g., hanger bolt, etc.
402  DF  .~ Head driving structure
403  DF  .~.~ Socket or slot
404  DF  .~.~.~ Orthogonally arranged slots, e.g., Phillips head, etc.
405  DF  .~.~.~ Opposed open ended plural slots, e.g., spanner, etc.
406  DF  .~.~.~ Dovetail
407  DF  .~.~.~ Having driver retaining means
408  DF  .~.~ Frictional engagement
409  DF  .~.~ Wing structure
410  DF  .~.~ Plural diverse driving structures
411  DF  .~ Thread or shank structure
412  DF  .~.~ Plural threads on single shank
413  DF  .~.~.~ Of different pitch
414  DF  .~.~ Buttress thread
415  DF  .~.~ Of varying thread pitch
416  DF  .~.~ Lobular thread
417  DF  .~.~ Circumferentially interrupted thread
418  DF  .~.~.~ By longitudinal slot
419  DF  .~.~.~.~ Shank bifurcated by slot extending entirely therethrough
420  DF  .~.~.~.~ Inclined slot
421  DF  .~.~.~.~.~ Helically oriented
422  DF  .~.~.~ By transversely extending bore
423  DF  .~.~ Truncated thread
424  DF  .~.~ Shank structure
425  DF  .~.~.~ Twisted
426  DF  .~.~.~ Tapered
427  DF  INTERNALLY THREADED FASTENER ELEMENT, E.G., NUT, ETC.
428  DF  .~ Including lubricating means
429  DF  .~ Having cap
430  DF  .~.~ Cap crimped onto nut
431  DF  .~.~ Resiliently retained
432  DF  .~ Multipart
433  DF  .~.~ Including movable threaded segments
434  DF  .~.~.~ Moved by fluent pressure
435  DF  .~ Wing
436  DF  .~ Thread structure
437  DF  .~.~ Interrupted
438  DF  .~.~ Coil spring
439  DF  IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.
440  DF  .~ Having means to facilitate explosive driving
441  DF  .~.~ Discrete guide or centering means
442  DF  .~ Plural attached fasteners
443  DF  .~.~ Integral strip
444  DF  .~.~ Laterally attached only at head or bridge
445  DF  .~.~ Attached end-to-end
446  DF  .~ Including integral locking means
447  DF  .~.~ Comprising deformable portion
448  DF  .~.~.~ Expansible on impact
449  DF  .~.~.~.~ Axially collapsible section
450  DF  .~.~ Having means engageable on underside of member being secured by fastener
451.1  DD  .~.~ Comprising protrusion or recess on shank
452  DF  .~.~.~ Longitudinal rib
453  DF  .~.~.~.~ Spiral rib
454  DF  .~.~.~.~.~ Defined by twisted shank
455  DF  .~.~.~ Circumferential rib
456  DF  .~.~.~ Barb or spur-type projection
451.2  DD  .~.~.~ Undulating type
451.3  DD  .~.~.~ Serrations or sharp teeth
451.4  DD  .~.~.~ Longitudinal flute, depression, or channel
451.5  DD  .~.~.~ Shoulder-type protrusion
457  DF  .~ Multiple prong, e.g., nailing plate, staple, etc.
458  DF  .~.~ Oppositely disposed prongs
459  DF  .~.~.~ Having plural prongs on one end
460  DF  .~.~.~ Having identical ends
461  DF  .~.~ Of sheet metal
462  DF  .~.~.~ Including stiffening means
463  DF  .~.~.~.~ Rib
464  DF  .~.~.~.~.~ Entire fastener having corrugations parallel to driving direction
465  DF  .~.~.~.~.~.~ Having sawtooth penetrating edge
466  DF  .~.~.~ Prongs cut and formed from body portion
467  DF  .~.~.~.~ Plural prongs from single opening
468  DF  .~.~.~.~.~ Including opposed prongs defining mirror image of each other
469  DF  .~.~ Multipart
470  DF  .~.~ Having prongs of different length
471  DF  .~.~ Each prong bevelled from a single side toward its opposite side
472  DF  .~.~.~ Bevel located on outerside of prong
473  DF  .~.~ Having distinct driving head
474  DF  .~.~.~ Plural heads
475  DF  .~.~ Having means to limit penetration short of bridge portion
476  DF  .~.~ Having frangible portion
477  DF  .~ Of sheet metal
478  DF  .~.~ Folded or twisted
479  DF  .~.~ Hollow fastener
480  DF  .~ Separately attached head
481  DF  .~ Head having central recess
482  DF  .~ Plural axially aligned heads
483  DF  .~ Wire formed head
484  DF  .~ Domed head
485  DF  .~ Hook head
486  DF  .~ Head forms segment of disk
487  DF  .~ Shank or penetrating end structure
488  DF  .~.~ Flat-sided shank
489  DF  .~.~.~ Tapered
490  DF  .~.~ Stepped shank
491  DF  .~.~ Oval or lobular shank
492  DF  .~.~ Angular shank portion
493  DF  .~.~ End structure
494  DF  .~.~.~ Pyramidal point
495  DF  .~.~.~ Slotted end
496  DF  .~.~.~ Chisel point
497  DF  .~.~.~ Stepped end
498  DF  .~.~.~ Conical point
499  DF  .~.~.~ Having a curved surface
500  DF  HEADED FASTENER ELEMENT
501  DF  .~ Having plastically flowable or deflectable end, e.g., rivet, etc.
502  DF  .~.~ Plural end legs
503  DF  .~.~.~ Sheet metal type
504  DF  .~.~ Solid end type
505  DF  .~.~.~ Stay bolt
506  DF  .~.~.~ Bolt head and end flowable
507  DF  .~.~.~.~ Domed head
508  DF  .~ Having resilient securing structure on shank
509  DF  .~.~ Concentric ridge or flange
510  DF  .~.~.~ Plural ridges or flanges
511  DF  FASTENER SECURING ELEMENT
512  DF  .~ Having elastomeric material
513  DF  .~ Cotter pin
514  DF  .~.~ Having deformed resilient middle portion
515  DF  .~.~ Having folded back leg
516  DF  .~ Resilient metallic
517  DF  .~.~ Retainer ring
518  DF  .~.~.~ Having gripper holes
519  DF  .~.~.~ Plural radial sectioned
520  DF  .~.~ Sheet metal
521  DF  .~.~.~ Circular
522  DF  .~.~.~ Parallel legs, e.g., U-shaped, etc.
523  DF  .~.~.~.~ Folded leg having fastener aperture or recess
524  DF  .~.~.~.~.~ Plural folds
525  DF  .~.~.~ Having plural longitudinal slits
526  DF  .~.~.~.~ And slit coincident with element axis
527  DF  .~.~.~.~ And helically inclined tongues, e.g., speed nut, etc.
528  DF  .~.~.~ Having longitudinal slit coincident with element axis
529  DF  .~.~.~ Having longitudinal slot forming fastener engaging slide
530  DF  .~.~ Wire or rod formed
531  DF  WASHER STRUCTURE
532  DF  .~ Including release means
533  DF  .~ Including means for retaining washer to fastener
534  DF  .~ Including antifriction means
535  DF  .~ Including adjustable thickness means
536  DF  .~.~ Wear or lost motion compensating means
537  DF  .~ Having leveling means
538  DF  .~.~ Inclined planar face
539  DF  .~ Radially positionable
540  DF  .~.~ Pivotally hinged sections
541  DF  .~.~ Secured by plastic deformation
542  DF  .~ Sealing
543  DF  .~ Wire formed
544  DF  .~ Axially resilient
545  DF  .~ Corrugated
546  DF  .~ Spacer
547  DF  .~.~ Of folded sheet material
548  DF  MISCELLANEOUS
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
900  DF  FASTENER OR FASTENER ELEMENT COMPOSED OF PLURAL DIFFERENT MATERIALS
901  DF  .~ Core and exterior of different materials
902  DF  .~.~ Metal core
903  DF  .~.~.~ Resinous exterior
904  DF  FASTENER OR FASTENER ELEMENT COMPOSED OF NONMETALLIC MATERIAL
905  DF  .~ Paper or wood
906  DF  .~ Leather or fabric
907  DF  .~ Elastomeric
908  DF  .~ Resinous material
909  DF  FASTENER OR FASTENER ELEMENT COMPOSED OF THERMO-RESPONSIVE MEMORY MATERIAL
910  DF  ANTITAMPER MEANS
911  DF  .~ One-way drive
912  DF  ANTISPLITTING FASTENER
913  DF  SELF-EXPANDING ANCHOR
914  DF  COATED BOLT
915  DF  BOLT HAVING PACKING JOINT
916  DF  BOLT HAVING TENSION FEATURE
917  DF  NUT HAVING TENSION FEATURE
918  DF  THREADLESS NUT
919  DF  SCREW HAVING DRIVING CONTACTS
920  DF  STAPLE
921  DF  MULTIPLE-PRONGED NAIL, SPIKE OR TACK
922  DF  NAIL, SPIKE OR TACK HAVING LOCKING DEVICE
923  DF  NAIL, SPIKE OR TACK HAVING SPECIFIC HEAD STRUCTURE
924  DF  COUPLED NUT AND BOLT
924.1  DF  .~ Deformed
925  DF  .~ Top stop
926  DF  .~ Positive lock
927  DF  .~.~ Side
928  DF  .~.~ Thread gripper
929  DF  .~ Thread lock
929.1  DF  .~.~ Coil spring
929.2  DF  .~.~ Distorted washer
930  DF  .~.~ Flowing metal or settable material
931  DF  .~.~ Superposed nuts
932  DF  .~.~.~ Oppositely threaded
933  DF  .~.~.~.~ Key or pawl locked
934  DF  .~.~.~.~.~ Side locked
935  DF  .~.~ Cam or cone grip
935.1  DF  .~.~.~ Cam
936  DF  .~.~ Canted nut
937  DF  .~.~ Distorted nut
937.1  DF  .~.~.~ Predistorted thread pitch or diameter
937.2  DF  .~.~.~ Post-distorted thread pitch or diameter
938  DF  .~.~ Distorted thread
939  DF  .~.~ Longitudinal key
940  DF  .~.~ Radial key or gib
941  DF  .~.~ Side clutch
941.1  DF  .~.~.~ Spring
941.2  DF  .~.~.~ Roller
941.3  DF  .~.~.~ Ball
942  DF  .~.~ Tangential key
943  DF  .~ Flexible washer
944  DF  .~ Flexible key
945  DF  .~ Cross key
946  DF  .~.~ Spring-seated
947  DF  .~ Elastic-gripping action
948  DF  .~ Longitudinal key
949  DF  .~ Rachet and bolt-carried pawl
950  DF  .~ Rachet and nut-carried pawl
951  DF  .~.~ Flexible
952  DF  .~.~ Pivoted
953  DF  .~ Washer-carried pawl
954  DF  .~ Wedged slotted bolt
955  DF  LOCKED BOLTHEAD OR NUT
956  DF  .~ Automatic base clutch
957  DF  .~.~ Biting tooth
958  DF  .~.~.~ Coiled washer
959  DF  .~.~.~ Bolt- or nut-carried
960  DF  .~.~ Friction
961  DF  .~.~ Pawl and ratchet
962  DF  .~.~.~ Bolthead or nut-carried pawl
963  DF  .~.~.~ Yielding interlocking washer
964  DF  .~.~ Detent
965  DF  .~ With retainer
966  DF  .~.~ Multiple (i.e., gang type)
967  DF  .~.~ Deformable bolthead or nut
968  DF  .~.~ Deformable base member
969  DF  .~.~ Deformable retainer
970  DF  .~.~ Resilient retainer
971  DF  .~.~ And side lock
972  DF  .~ Distorted
973  DF  .~ Gravity bolthead, nut or washer
974  DF  .~ Side lock
975  DF  .~.~ Rotatable washer
976  DF  .~.~.~ Bent tongue-locked
977  DF  .~.~.~ Pawl-locked
978  DF  .~.~ Pawl and ratchet
979  DF  .~.~ Resilient
980  DF  .~.~.~ Automatic
981  DF  .~.~.~.~ Coiled washer
982  DF  .~.~.~.~ Spring-tongued washer plate
983  DF  .~.~ Inelastic tongue
984  DF  .~.~ Longitudinal
985  DF  .~.~.~ Bolthead- or nut-held
986  DF  .~.~.~.~ Reversed bolthead or nut
987  DF  .~.~.~ Side pin
988  DF  .~.~.~ Spike-held locking plate
989  DF  .~.~.~ Swinging
990  DF  .~.~.~ Washer tongue-held
991  DF  .~.~ Transversely sliding
992  DF  .~.~.~ Key, plate, or bar
993  DF  .~.~.~.~ bolthead- or nut-held
994  DF  .~.~.~.~ Sliding washer
995  DF  .~.~ Transversely swinging
996  DF  .~ Transverse base-locking key
997  DF  .~ Longitudinal fastener
998  DF  WITH POSITIVE BOLT LOCK
999  DF  WITH RETAINER (E.G., TETHER)
******************************
DIGESTS
******************************
DIG 1  DD  THREAD FORMING, REFORMING, OR CLEANING
DIG 2  DD  TEMPERATURE MODIFICATION
DIG 3  DD  UTILIZING FLUID PRESSURE