Rotating mechanism for plating barrel or the like

Claim 1

FOR PLATING AND THE LIKE, A ROTATING BARREL ASSEMBLY HAVING MEANS WHICH ROTATABLY SUPPORTS THE BARREL AND HAVING MECHANISM OPERABLE TO ROTATE THE BARREL, SAID MECHANISM COMPRISING, A DRIVING GEAR AND MEANS OPERABLE TO ROTATE SAID DRIVING GEAR IN ONE DIRECTION, A DRIVEN GEAR CARRIED BY SAID BARREL AND HAVING A DRIV ING RELATION THERETO, AN IDLER GEAR AND MEANS MOUNTING IT FOR RELATIVELY FREE MOVEMENT TOWARD AND AWAY FROM DRIVE-TRANSMITTING RELATION BETWEEN SAID DRIVING AND DRIVEN GEARS, SAID MOUNTING MEANS BEING CONSTRUCTED AND ARRANGED SO THAT SAID IDLER GEAR IS BIASED TOWARD SAID DRIETRANSMITTING RELATION, THE INTERAXIAL LINE BETWEEN SAID DRIVING GEAR AND IDLER GEAR IN SAID DRIE-TRANSMITTING RELATION BEING DISPOSED AT AN ANGLE TO THE INTERAXIAL LINE BETWEEN SAID DRIVING GEAR AND DRIVEN GEAR, SAID ANGLE, MEASURE FROM THE DRIVEN GEAR AXIS TO THE DRIVING GEAR AXIS AND THEN TO SAID IDLER GEAR AXIS, BEING OPPOSITE IN DIRECTION TO SAID ONE DIRECTION, SO THAT THE FORCE EXERTED ON SAID IDLER GEAR BY SAID DRIVING GEAR, RESPONSIVE TO INHERENT RESISTANCE TO ROTATION BY SAID BARREL AND DIVEN GEAR, TENDS TO SUPPLEMENT SAID BIAS, THE INTERAXIAL LINE BETWEEN SAID IDLER AND DRIVEN GEARS BEING DISPOSED AT AN ANGLE TO THAT BETWEEN SAID DRIVING AND DRIVEN GEARS, SAID ANGLES BEING SO RELATED THAT THE RADIALLY OUTWARD COMPONENT OF FORCE EXERTED BY SAID DRIVEN GEAR ON SAID IDLER GEAR RESPONSIVE TO SAID RESISTANCE IN INSUFFICIENT TO OVERCOME THE COMBINED EFFECTS OF SAID BIAS AND FORCE SUPPLEMENTING SAID BIAS, WHEREBY SAID MOUNT AND IDLER GEAR TEND TO SHIFT TOWARD SAID DRIVE-TRANSMITTING RELATION RESPONSIVE TO ROTATION OF SAID DRIVING GEAR.