Torque adjusting device

Claim 1

A ROTARY VARIABLE RESISTOR COMPRISING: FIRST MEANS, INCLUDING MEANS PROVIDING A HOUSING WITH MEANS FOR ROTATIVELY SUPPORTING AN ADJUSTING SHAFT AND SAID FIRST MEANS INCLUDING A MEMBER HAVING AN OPENING THEREINTO HAVING A CYLINDRICAL INNER WALL AND ADAPTED TO RECEIVE AN ADJUSTING SHAFT THERETHROUGH; SECOND MEANS, INCLUDING AN ADJUSTING SHAFT HAVING AN INNER END PORTION, AN INTERMEDIATE PORTION DISPOSED IN SAID OPENING AND AN ACCESSIBLE OUTER END PORTION HAVING A BORE THREIN AND A SCREW THREAD ON THE WALL OF THE BORE AND SAID BORE EXTENDING INTO SAID INTERMEDIATE PORTION, SAID SHAFT HAVING IN SAID INTERMEDIATE PORTION A TRANSVERSE OPENING EXTENDING THROUGH FROM SAID BORE TO THE EXTERIOR OF SAID SHAFT; THIRD MEANS, INCLUDING SCREW-THREADED MEANS AND CAM MEANS CONNECTED THERETO AND DISPOSED AT LEAST PRINCIPALLY IN SAID BORE AND THE THREAD OF WHICH IS COMPLEMENTARY TO AND ENGAGED WITH THE INTERNAL THREAD OF SAID SHAFT, SAID CAM MEANS BEING MOVABLE IN SAID BORE INCIDENT TO ROTATION OF SAID SCREW-THREADED MEANS RELATIVE TO SAID SHAFT;