US PATENT SUBCLASS 254 / 239
.~.~.~ Plural ratchet formations

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}
237  DF  .~ Including ratchet bar and driving pawl drive {1}
238  DF  .~.~ Having plural, disparate, driving pawls {1}
239.~.~.~ Plural ratchet formations {1}
240  DF  .~.~.~.~> Facing opposite directions

DEFINITION

Classification: 254/239

Plural ratchet formations:

(under subclass 238) Implements or apparatus in which either (a) the bar is provided with at last two distinct rows or teeth or apertures engaged by the driving pawls, or (b) there are two or more distinct bars each having a row of teeth or apertures engaged by one or more of the driving pawls.