Ratchet wrench

Claim 1

IN THAT TYPE OF RATCHET DEVICE HAVING A CYLINDRICAL HEAD PROVIDED WITH INTERNAL PERIPHERAL RATCHET TEETH, A DRIVEN MEMBER ROTATABLY MOUNTED IN SAID HEAD AND HAVING WORK-ENGAGING MEANS, SAID DRIVEN MEMBER HAVING A TRANSVERSE OPENING THEREIN, A PIVOT MOUNTED IN SAID DRIVEN MEMBER AND EXTENDING THROUGH SAID OPENING, A DOUBLEENDED PAWL CARRIED BY SAID PIVOT AND HAVING RATCHET TEETH ADAPTED TO COACT WITH SAID TEETH IN SAID HEAD FOR REVERSING THE MOVEMENT OF SAID DRIVEN MEMBER, A STUB SHAFT MOUNTED IN SAID DRIVEN MEMBER ADJACENT SAID PAWL AND HAVING ITS AXIS OFF CENTER FROM THE AXIS OF SAID HEAD, A PLUNGER SLIDABLY MOUNTED IN A TRANSVERSE HOLE IN SAID STUB SHAFT AND HAVING ITS OUTER END ENGAGING WITH A CAM SURFACE OF SAID PAWL, A SPRING BIASING SAID PLUNGER TOWARD SAID PAWL, SAID SPRING AND PLUNGER SERVING TO REVERSE THE POSITION OF SAID PAWL AND ALSO TO HOLD THE TEETH THEREOF IN RATCHETING ENGAGEMENT WITH THE TEETH OF SAID HEAD; MEANS FOR ACTUATING SAID STUB SHAFT TO REVERSE THE ACTION OF SAID RATCHET DEVICE COMPRISING A CROSS BAR ON ONE END OF SAID STUB SHAFT, A MANUALLY ROTATABLE DISC CARRIED BY SAID CYLINDRICAL HEAD AND ROTATABLE ABOUT THE AXIS THEREOF, SAID DISC HAVING AN OFF CENTER POSITION OF SAID CROSS BAR AND CROSS BAR, THE OFF CENTER POSITION OF SAID CROSS BAR AND RECESS PROVIDING A SLIDING FRICTION TYPE OF COACTION BETWEEN THE TWO WITH SUCH FRICTION BEING OPERABLE TO PREVENT ACCIDENTAL RELEASE OF THE TEETH OF SAID DOUBLE-ENDED PAWL FROM SAID TEETH OF SAID HEAD AS A RESULT OF THE BIAS OF SAID PLUNGER AGAINST SAID CAM SURFACE UPON OPERATION OF SAID RATCHET DEVICE.