US PATENT SUBCLASS 254 / 372
.~.~ With projections or apertures on drum for engagement with complementary structural formations on cable

Current as of: June, 1999
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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}
372.~.~ With projections or apertures on drum for engagement with complementary structural formations on cable

DEFINITION

Classification: 254/372

With projections or apertures on drum for engagement with complementary structural formation on cable:

(under subclass 266) Apparatus in which the drum has projections or apertures located on its surface for engaging corresponding apertures or projections formed along the length of the cable.

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221, for implements or apparatus for tensioning flexible material or for extracting stumps or poles including a rotatably driven drum provided with projections or apertures on its circumference for engagement with complementary

formations on the cable or material.

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226, Advancing Material of Indeterminate Length,

52+, for feeding apparatus having means to engage longitudinally spaced modifications in a material of indeterminate length.