One way reversible clutch for wrench

Claim 1

IN A RATCHET MECHANISM, THE COMBINATION OF TWO MEMBERS ADAPTED TO RELATIVE MOTION WITH RESPECT TO EACH OTHER, ONE OF SAID MEMBERS HAVING A SERIES OF RATCHET TEETH, THE OTHER OF SAID MEMBERS HAVING A RECESS THEREIN POSITIONED OPPOSITE SAID RATCHET TEETH AND INTERCEPTING PART OF SAID RATCHET TEETH, SAID RECESS HAVING TWO BEARING SURFACES INCLINED TOWARD EACH OTHER IN A DIRECTION AWAY FROM SAID RATCHET TEETH, A PAWL CARRIED IN SAID RECESS, SAID PAWL BEING SMALLER THAN THE RECESS TO PERMIT TRANSVERSE MOVEMENT OF SAID PAWL WITHIN SAID RECESS, SAID PAWL HAVING A TOOTHED SIDE ADAPTED TO CONCURRENT ENGAGEMENT WITH SAID RATCHET TEETH, SAID PAWL HAVING TWO SIDES WITH BEARING SURFACES, EACH OF SAID LAST-NAMED SIDES EXTENDING TO SAID TOOTHED SIDE, THE BEARING SURFACES OF SAID PAWL BEING ADAPTED TO THE BEARING SURFACES OF SAID RECESS FOR TRANSMITTING THE THRUST OF THE PAWL TO SAID OTHER MEMBER FOR THE TWO DRIVING DIRECTIONS, AND CONTROL MEANS FOR URGING THE PAWL INTO REVERSIBLE RATCHETING ENGAGEMENT WITH SAID RATCHET TEETH, SAID CONTROL MEANS INCLUDING A MANUAL CONTROL MOUNTED ON SAID OTHER MEMBER, SAID CONTROL MEANS FURTHER INCLUDING A SPRING HAVING A FIRST END OPERATIVELY SECURED TO SAID MANUAL CONTROL AND A SECOND END ENGAGING SAID PAWL, SAID MANUAL CONTROL BEING ARRANGED TO CONTROL THE ACTION OF THE FIRST END OF SAID SPRING IN A MANNER WHEREBY THE SECOND END OF SAID SPRING ENGAGING THE PAWL TENDS TO FOLLOW THE MOVEMENT OF SAID FIRST END TO URGE THE PAWL SELECTIVELY TO EITHER BEARING SURFACE OF SAID RECESS, SAID SPRING BEING SO CONSTRUCTED AS TO HAVE A COMPRESSIONAL ELASTICITY VARYING IN MAGNITUDE AT DIFFERENT SECTIONS OF THE SPRING BETWEEN THE ENDS OF SAID SPRING.