Reversible ratchet drive

Claim 1

A RATCHET DRIVE COMPRISING: A BODY HAVING A BORE OPENING THROUGH ONE END OF THE BODY, MEANS FOR TURNING SAID BODY, A RATCHET WHEEL ROTATABLY MOUNTED IN SAID BORE AND HAVING RATCHET TEEH ABOUT ITS PERIPHERY, MEANS ON SAID RATCHET WHEEL ACCESSIBLE AT SAID ONE END OF SAID BODY FOR DRIVABLY COUPLING SAID WHEEL TO AN ELEMENT TO BE ROTATED, A GENERALLY SEMICIRCULAR RECESS IN THE WALL OF AND OPENING TO SAID BORE AND CONTINUING AT ONE END IN AJOURNAL BORE OPENING THROUGH ONE END OF SAID BODY, A RATCHET PAWL HAVING ONE GENERALLY SEMICYCLINDRICAL END POSITIONED IN SAID RECESS, A CYLINDRICAL INTERMEDIATE PORTIONED JOURNALED IN SAID JOURNAL BORE, AND ANOTHER SEMICYLINDRICAL END PROJECTING BEYOND THE OTHER END OF SAID BODY, SAID OTHER END OF SAID PAWL HAVING A TRANSVERSE FACE APPROXIMATELY PARALLEL TO THE ROTATION AXIS OF THE PAWL, SAID ONE END OF SAID PAWL HAVING TWO LONGITUDINAL EDGES SELECTIVELY ENGAGEABLE WITH SAID RATCHET TEETH BY ROTATION OF SAID PAWL IN SAID RECESS TO LOCK SAID BODY AND RATCHET WHEEL AGAINST RELATIVE ROTATION IN ONE DIRECTION OR THE OTHER DEPENDING UPON WHICH PAWL EDGE ENGAGES SAID TEETH, A PAWL REVERSING MEMBER ROTATABLY MOUNTED ON THE OTHER END OF SAID BODY, A PLUNGER TUBE CARRIED ON AND EXTENDING GENERALLY RADIALLY OF SAID PAWL REVERSING MEMBER TO A POSITION IN THE VICINITY OF SAID TRANSVERSE PAWL FACE. THERE BEING AN OPENING THROUGH SAID TUBE WHICH OPENS TO THE OUTSIDE OF SAID LATTER MEMBER, A PLUNGER SLIDABLY FITTED IN SAID ONE END OF SAID TUBE AND ENGAGING SAID TRANSVERSE PAWL FACE, A SPRING IN SAID TUBE SEATING AT ONE END AGAINST SAID PLUNGER, A SET SCREW THREADED IN THE OTHER END OF SAID TUBE AND SEATING AGAINST THE OTHER END OF SAID SPRING, SAID SET SCREW BEING ACCESSIBLE EXTERIORLY OF SAID MEMBER, AND SAID MEMBER BEING ROTATABLE ON SAID BODY BETWEEN ONE POSITION IN WHICH SAID PLUNGER ENGAGES SAID PAWL AT ONE SIDE OF ITS ROTATION AXIS, WHEREBY TO RESILIENTLY URGE ONE PAWL EDGE INTO ENGAGEMENT WITH SAID RATCHET TEETH, AND ANOTHER POSITION WHEREIN SAID PLUNGER ENGAGES SAID PAWL AT THE OPPOSITE SIDE OF ITS ROTATION AXIS, WHEREBY TO RESILIENTLY URGE THE OTHER PAWL EDGE INTO ENGAGEMENT WITH SAID RATCHET TEETH.