US PATENT SUBCLASS 254 / 247
.~.~.~ With ratchet formation and locking pawl for maintaining relative positioning

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

199  DF  PORTABLE IMPLEMENTS OR APPARATUS FOR TENSIONING FLEXIBLE MATERIAL OR FOR EXTRACTING STUMPS OR POLES {12}
243  DF  .~ Including either force transmitting, hand held and operated lever or animal powered sweep {8}
246  DF  .~.~ Having linearly shifting, guided component attached thereto {1}
247.~.~.~ With ratchet formation and locking pawl for maintaining relative positioning

DEFINITION

Classification: 254/247

With ratchet formation and locking pawl for maintaining relative positioning:

(under subclass 246) Implements or apparatus wherein the relative positioning of the lever and the shifting component is maintained by a pawl adapted to engage a row of teeth or apertures formed on either (a) the shifting component, or (b) the portion of the implement or apparatus limiting the shifting component to linear movement.