US Patent Class 177
WEIGHING SCALES



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  PROCESSES
2  DF  WITH RECORDER
3  DF  .~ With computing or totalizing means
4  DF  .~ With recording of a factor additional to weight
5  DF  .~.~ Weight identification
6  DF  .~ Of both gross and tare on one record receiver
7  DF  .~ Responsive to means sensing removal of material
8  DF  .~ With record receiver advance
9  DF  .~.~ By weigher
10  DF  .~ External marker operator
11  DF  .~.~ Recorder element mounted on poise
12  DF  .~ Responsive to timer, or completion of weighing operation
13  DF  .~ Weigher sets type
14  DF  SELECTIVELY PRESET CYCLE FLOW TERMINATOR
15  DF  WITH TOTAL REGISTER
16  DF  .~ Integrator of steadily flowing fluent material
17  DF  .~ Of distinct successive loads
18  DF  .~ Cycle totalizer
19  DF  .~.~ Single totalizer operated by plural weighers
20  DF  .~.~.~ By preliminary translation of rotary weighers
21  DF  .~.~.~ By intermittently used one of plural weighers
22  DF  .~.~ Weigh beam operated
23  DF  .~.~ Discharge valve operated
24  DF  .~.~ Weigh chamber operated
25.11  DF  COMPUTER
25.12  DF  .~ Electrical
25.13  DF  .~.~ Digital
25.14  DF  .~.~.~ Multiplying or dividing scales
25.15  DF  .~.~.~.~ Price
25.16  DF  .~.~.~.~ Calorie counting
25.17  DF  .~.~.~.~ Counting
25.18  DF  .~.~.~ Combinatorial scales
25.19  DF  .~.~ Weight history
26  DF  .~ Computer and weigher independently operated by common load holder
27  DF  .~.~ Weighing beam dial and computing beam dial with separate poises
28  DF  .~.~.~ Separately pivoted beams
29  DF  .~.~.~ Tabular-type computer
30  DF  .~ Ancillary weigher
31  DF  .~ Independent computer scale and index
32  DF  .~.~ With adjustable linkage to weight offsetting means
33  DF  .~.~.~ Coaxial pointers
34  DF  .~ Tabular-type computer
35  DF  .~.~ Slidable poise moves table
36  DF  .~.~ Weigher moves table
37  DF  .~.~.~ Rotatable drum
38  DF  .~.~.~.~ With manually operated reading assistance
39  DF  .~.~.~.~ With additional reading window in drum housing
40  DF  .~.~.~ Encased disc
41  DF  .~.~ Externally movable table
42  DF  .~.~.~ Axially rotatable
43  DF  .~.~ Calibrated index arm
44  DF  .~.~ Table integral with balance beam
45  DF  WITH ALARM OR SIGNAL
46  DF  .~ In unbalance
47  DF  .~ In balance
48  DF  .~.~ Electric
49  DF  .~ Of additional counterpoise
50  DF  WITH TESTING
51  DF  .~ Coin size
52  DF  WITH CONVEYING MEANS HANDLING SUCCESSIVE RECEIVERS
53  DF  .~ Receiver presence responsive
54  DF  .~ Rotary
55  DF  .~.~ Separate weigh chamber
56  DF  .~ Separate weigh chamber
57  DF  .~.~ Simultaneously operated weigh chambers
58  DF  PLURAL WEIGHERS ON ROTARY SUPPORT
59  DF  DISCHARGE FROM WEIGHER TO RECEIVER
60  DF  WEIGHER RESPONSIVE MATERIAL CONTROL
61  DF  .~ Translatable among plural sources
62  DF  .~ Remote discharge station
63  DF  .~ With additional material-presence responsive means
64  DF  .~.~ Controlling feed
65  DF  .~.~.~ To alternating weigh chambers
66  DF  .~.~.~ And discharge
67  DF  .~.~.~.~ Overload removal
68  DF  .~ Flow terminator requiring external reset
69  DF  .~.~ Plural feed, simultaneous cutoff
70  DF  .~.~ Sequential feeding, plural ingredients
71  DF  .~.~ Feed and discharge
72  DF  .~.~.~ Manually initiated discharge
73  DF  .~.~ Receiver operated reset
74  DF  .~.~ Latch release
75  DF  .~.~.~ Sequential latch release
76  DF  .~.~.~ With magnetic operator
77  DF  .~.~.~.~ With serially connected switch
78  DF  .~.~.~ Reciprocating closure
79  DF  .~.~ Holding magnet
80  DF  .~ With external intercontrol
81  DF  .~.~ Initial partial charge
82  DF  .~ Overload removal
83  DF  .~ Rotary
84  DF  .~.~ Power-driven
85  DF  .~.~ Electromagnetic latch release
86  DF  .~.~ With preliminary translation
87  DF  .~.~.~ Initiates feed control operation
88  DF  .~.~.~.~ By cam on weigh chamber
89  DF  .~ Stationary weigh chamber
90  DF  .~ Alternating weigh chambers
91  DF  .~.~ Divided unit
92  DF  .~.~.~ With relatively oscillating partition
93  DF  .~.~.~.~ Pivoted feed diverter
94  DF  .~.~.~ Oscillating
95  DF  .~.~.~.~ Valve means correlated with weigh chamber
96  DF  .~.~.~.~.~ Opened by gravity
97  DF  .~.~.~.~.~ Mounted externally of weigh chamber
98  DF  .~.~ Feed diverter
99  DF  .~.~.~ With discharge valve
100  DF  .~.~ Valved discharge
101  DF  .~.~ Siphon discharge
102  DF  .~.~ Oscillating
103  DF  .~ Plural chambers
104  DF  .~.~ With simultaneous discharge
105  DF  .~ Discharge valve or gate
106  DF  .~.~ Opening initiated by feed terminator
107  DF  .~.~ Closing initiates feed
108  DF  .~.~ Power actuated
109  DF  .~.~.~ Clutched
110  DF  .~.~.~.~ Magnetically operated
111  DF  .~.~ Mechanically interconnected with feed valve
112  DF  .~.~ With linkage operator
113  DF  .~.~ Latch release
114  DF  .~ Correlated feed and discharge
115  DF  .~.~ Oscillating weigh chamber
116  DF  .~ Feed
117  DF  .~.~ Weigh chamber placement initiates flow
118  DF  .~.~ With receiver retainer
119  DF  .~.~ Conveyer
120  DF  .~.~.~ With feed cutoff
121  DF  .~.~.~ Variable speed
122  DF  .~.~ Sequentially actuated flow control means
123  DF  .~.~.~ Distinct controllers
124  DF  WITH LOCK OR SEAL
125  DF  CHECK CONTROLLED
126  DF  COLLAPSIBLE, FOLDABLE, KNOCKDOWN
127  DF  .~ With carrying case
128  DF  WITH REPAIR OR ASSEMBLY MEANS
129  DF  CONVERTIBLE
130  DF  .~ Hand truck
131  DF  .~ Hand manipulatable load pickup device
132  DF  STRUCTURAL INSTALLATION
133  DF  .~ Geographic
134  DF  .~.~ Pit
135  DF  .~.~.~ With guard or shield
136  DF  .~ Vehicle
137  DF  .~.~ Running gear springs
138  DF  .~.~.~ With indicator disconnect means
139  DF  .~.~ Unitary load transferrer and weigher
140  DF  .~.~ Hand truck
141  DF  .~.~ Hydraulic weigher
142  DF  .~ Building
143  DF  .~ Refrigerator
144  DF  .~ Furniture or room fixture
145  DF  WITH WEIGHER LOADING OR UNLOADING MEANS
146  DF  .~ Jack
147  DF  .~ Hoist
148  DF  .~ Hand manipulatable weigher
149  DF  .~.~ Container type
150  DF  EQUAL-ARM BEAM TRANSFER MECHANISM
151  DF  LOAD-HOLDER TRANSFER MECHANISM
152  DF  .~ Unitary with weigher
153  DF  .~.~ Transmission disconnect means
154  DF  MEANS HOLDING LOAD-DRIVEN ELEMENT AGAINST MOTION
155  DF  .~ Separates bearing parts
156  DF  .~ At transmission mechanism
157  DF  .~ Balance beam
158  DF  .~.~ Plural beams
159  DF  .~ At indicator
160  DF  SACK SUPPORT
161  DF  LOAD GUIDE
162  DF  .~ Chute
163  DF  .~ Rail
164  DF  PRESET
165  DF  .~ Responsive to load receiver
166  DF  .~ Ancillary pointer
167  DF  .~ Fixed index or dial
168  DF  .~ Spring support
169  DF  .~.~ Effective length of spring
170  DF  .~.~ Lever
171  DF  .~ Lever balance-type beam
172  DF  .~.~ Load-arm length
173  DF  .~ Indicator structure
174  DF  .~.~ Rack connection
175  DF  .~ In transmission
176  DF  .~.~ Counterweight
177  DF  ILLUMINATED
178  DF  .~ Projected
179  DF  WITH BEARING SHIELD
180  DF  WITH CASING CLOSURE OR SHIELD
181  DF  .~ Transparent
182  DF  .~.~ Lens
183  DF  LUBRICATOR
184  DF  SHOCK ABSORBER, DAMPER
185  DF  .~ Electrical or magnetic
186  DF  .~ Indicator mechanism
187  DF  .~ Load-holder transmission mechanism
188  DF  .~.~ Fulcrumed lever
189  DF  .~ Load holder
190  DF  EQUAL ARM TYPE
191  DF  .~ With counterweight manipulating means
192  DF  .~.~ Elongated flexible counterweight
193  DF  .~ With indicator tower
194  DF  .~ With bias toward balance
195  DF  .~.~ By spring
196  DF  .~.~.~ Torsion bearing type
197  DF  .~ With longitudinally movable poise
198  DF  .~ With check link
199  DF  PLURAL DISTINCT LOAD HOLDERS WITH COMMON EVALUATOR
200  DF  .~ Load comparing type
201  DF  SELF-POSITIONING
202  DF  .~ Offsets over or under load
203  DF  .~ Supplemental weight offsetting means
204  DF  .~.~ Transferred responsive to self-positioning means
205  DF  .~.~ Remote indicator
206  DF  .~.~ Slidable weight
207  DF  .~ Buoyancy type
208  DF  .~ Fluid transmission to pressure gauge
209  DF  .~.~ Interconnected load-supporting expansible chamber
210 R  DF  .~ Electrical current generating or modifying
211  DF  .~.~ Strain gauge
210 C  DF  .~.~ Capacitors
210 EM  DF  .~.~ Electromotive or electromagnetic force
210 FP  DF  .~.~ Frequency changes or pulse counts
212  DF  .~ Repositioning in response to deflection under load
213  DF  .~.~ Electrically actuated poise
214  DF  .~.~.~ With indicator of poise position
215  DF  .~.~.~ Speed control of poise
216  DF  .~ Pendulum
217  DF  .~.~ Plural opposed
218  DF  .~.~.~ Translatable
219  DF  .~.~.~ Tape-driven
220  DF  .~.~ Drives indicator through transmission mechanism
221  DF  .~.~.~ Flexible member
222  DF  .~.~.~ Gearing
223  DF  .~.~.~.~ Rectilinear rack
224  DF  .~.~ Pointer fixed to pendulum
225  DF  .~ Spring
226  DF  .~.~ Temperature compensator
227  DF  .~.~.~ Modifies leverage
228  DF  .~.~.~ Acts on spring
229  DF  .~.~ Cantilever
230  DF  .~.~ Force modifier connects spring and load-holder
231  DF  .~.~ Load-holder steadying structure and spring carried by casing
232  DF  .~.~ Coil spring in sleeve casing
233  DF  .~.~.~ With vertical pointer slit
234  DF  .~.~ Magnified indication of spring deformation
235  DF  .~ Counterweight type
236  DF  .~.~ Variable fulcrum
237  DF  .~.~ Progressive counterweight pickup
238  DF  WITH CASING
239  DF  .~ Base
240  DF  .~.~ With standard
241  DF  .~.~.~ Carrying additional housing
242  DF  .~.~.~.~ Access opening in cylindrical wall
243  DF  .~.~ Penetrated by load-holder support
244  DF  ASSEMBLY SUPPORT
245  DF  COMBINED
246  DF  BEAM
247  DF  .~ Coarse and fine sliders
248  DF  .~ Plural counterweight pickup
249  DF  .~ Transmission interconnected with slidable counterweight
250  DF  .~ Counterweight retention
251  DF  .~ Adjustable load-arm connection
252  DF  .~ Plural counterweights
253  DF  LOAD HOLDER
254  DF  .~ Fluid transmission
255  DF  .~ Sway or tilt prevention
256  DF  .~ Pivotally interconnected transmission levers
257  DF  .~.~ Integrated force delivered by lever extension from interconnection
258  DF  .~.~ Separate lever loaded by load-holder levers
259  DF  .~.~.~ With additional serially connected lever
260  DF  .~ Adjusting means
261  DF  .~ Movably mounted pivot
262  DF  .~ Scale pan
263  DF  .~.~ Suspended
264  DF  MISCELLANEOUS
******************************
DIGESTS
******************************
DIG 2  DD  Digitizers mechanical
DIG 3  DD  Digitizers electrical
DIG 4  DD  Digitizers non-sensing
DIG 5  DD  Magnets
DIG 6  DD  Photoelectric
DIG 7  DD  Pneumatic controls
DIG 8  DD  RR motion
DIG 9  DD  Scale bearings
DIG 10  DD  Telemetric
DIG 11  DD  Vibrators