Electric switches

Claim 1

IN A TOGGLE SWITCH HAVING A HOLLOW SWITCH CASING PROVIDED WITH A HOLE THEREIN, A HOLLOW SUPPORTING BUSHING SECURED AT ONE END TO SAID CASING AROUND SAID HOLE, AN OSCILLATABLE OPERATING LEVER HAVING A HANDLE PORTION EXTENDING OUTWARDLY THROUGH SAID BUSHING AND AN OPERATING PORTION EXTENDING THROUGH SAID HOLE INTO SAID CASING AND AN INTERMEDIATE ENLARGED SUBSTANTIALLY SPHERICAL PORTION WITHIN SAID BUSHING, THE IMPROVEMENT COMPRISING; (A) AN ANNULAR SHOULDER FORMED INTEGRALLY WITHIN THE OUTER END OF SAID BUSHING AND HAVING A SHARP CIRCULAR EDGE IN ENGAGEMENT WITH AND FORMING A SEAT FOR ONE SIDE OF SAID SPHERICAL PORTION; (B) A SLEEVE INSERTED IN SAID BUSHING ON THE OTHER SIDE OF SAID BALL PORTION AND HAVING A SHARP CIRCULAR EDGE IN ENGAGEMENT WITH AND FORMING A SEAT FOR THE OTHER SIDE OF SAID SPHERICAL PORTION; (C) AND A RESILIENT SEALING MEMBER BETWEEN SAID SHOULDER AND SAID SLEEVE, SAID SEALING MEMBER HAVING THE CONFIGURATION OF A RING AND HAVING A DIMENSION PARALLEL TO ITS MAJOR AXIS SUBSTANTIALLY GREATER THAN ITS RADIAL DIMENSION WHEREBY SAID SEALING MEMBER CAN BE COMPRESSED BETWEEN SAID SHOULDER AND SAID SLEEVE TO SEAL THE SPACE BETWEEN THE INNER WALL OF SAID BUSHING AND SAID SPHERICAL PORTION WHILE SAID SHARP EDGES OF SAID SHOULDER AND SAID SLEEVE REMAIN A SUFFICIENT DISTANCE APART TO CONFINE SAID SPHERICAL PORTION OF SAID OPERATING LEVER FOR PIVOTING THEREBETWEEN.