US PATENT SUBCLASS 254 / 270
.~.~ Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive

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

Internet Version by PATENTEC © 1999      Terms of Use


254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

264  DF  APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE {4}
266  DF  .~ Device includes rotatably driven, cable contacting drum {34}
270.~.~ Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive {2}
271  DF  .~.~.~> With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable
272  DF  .~.~.~> With cable deflecting or path defining component shifted by cable when tension varies {1}

DEFINITION

Classification: 254/270

Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive:

(under subclass 266) Apparatus provided with a mechanism either contacted by, supported from, or attached directly to the cable, the mechanism generates a force which is transmitted to and regulates the operation of either (a) means for retarding the rotation of, or (b) the drive for, the drum.

SEE OR SEARCH CLASS

114, Ships,

247, for towing devices for ships having means, responsive to excess strain in the connecting means (e.g., cable).

166, Wells,

355, for means mounted on a vessel and removably connected to a permanent submerged well structure, (e.g., wellhead, riser); this means is provided with means to compensate for the vessel's movement on the surface.

173, Tool Driving or Impacting,

4+, for tool-advancing means controlled by automatic control. 175, Boring or Penetrating the Earth,

7, for boring a submerged formation from a floating support

with a submerged independent anchored guide base; and subclasses 24+ for automatic controls for boring apparatus.