US PATENT SUBCLASS 254 / 217
.~.~ Having ratchet wheel and interengaging pawl for driving drum

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

199  DF  PORTABLE IMPLEMENTS OR APPARATUS FOR TENSIONING FLEXIBLE MATERIAL OR FOR EXTRACTING STUMPS OR POLES {12}
213  DF  .~ Including rotatably driven drum for engaging either material or force transmitting cable {9}
217.~.~ Having ratchet wheel and interengaging pawl for driving drum {1}
218  DF  .~.~.~> Pawl pivots about fixed point on drive handle

DEFINITION

Classification: 254/217

Having ratchet wheel and interengaging pawl for driving drum:

(under subclass 213) Implements or apparatus wherein the drum is rotated about its axis by a drive train which includes a rotatable wheel having teeth on its inner or outer perimeter and a pawl which is reciprocated along a linear or angular path; the pawl engages the teeth and turns the wheel during movement in one of its directions and disengages from the teeth during its return movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

306+, 320, 352+, and 369, for load-hauling or-hoisting apparatus including a rotatably driven drum provided with a drive having a ratchet wheel and an interengaging driving pawl.