Snap switch mechanism

Claim 1

AN ELECTRIC SWITCH OPERATING MECHANISM COMPRISING A HOUSING, A SWITCH OPERATING MEMBER EXTENDING THROUGH A WALL OF SAID HOUSING AND MOUNTED FOR MOVEMENT RELATIVE TO SAID HOUSING, AN ARM ASSOCIATED WITH SAID MEMBER TO CAUSE MOVEMENT THEREOF RELATIVE TO SAID HOUSING, PIVOT MEANS FOR SAID ARM POSITIONED ADJACENT ONE END THEREOF AND LOCATED EXTERIOR OF SAID HOUSING FOR PIVOTAL MOVEMENT OF SAID ARM, ROLLER MEANS CARRIED AT THE END OF SAID ARM OPPOSITE SAID PIVOT MEANS SWITCH OPERATING MEANS DISPOSED WITHIN SAID HOUSING FOR ACTUATION BY SAID MEMBER WHEN THE LATTER IS ACTUATED BY SAID ARM, AND ADJUSTMENT MEANS ASSOCIATED WITH SAID PIVOT MEANS TO SELECTIVELY REPOSITION THE ANGULAR RELATIONSHIP OF SAID ARM TO SAID HOUSING AND TO SAID MEMBER, SAID ADJUSTMENT MEANS INCLUDING LOCKING MEANS COMPRISING TAPERED BUSHING MEANS SURROUNDING SAID PIVOT MEANS AND ASSOCIATED WITH SAID ARM MEANS, AND TIGHTENING MEANS FOR SAID TAPERED BUSHING MEANS, WHEREBY SAID TAPERED BUSHING MEANS MAY BE TIGHTENED BY SAID LIGHTENING MEANS TO LOCK SAID ARM ON SAID PIVOT MEANS IN A PRESELECTED ANGULAR RELATIONSHIP TO SAID MEMBER AND TO SAID HOUSING.