Switch unit with integral contact and actuator structure

Claim 1

SWITCH MEANS FOR USE WITH A CAM OPERATOR AND THE LIKE, SAID SWITCH MEANS INCLUDING A SUPPORTING BRACKET, A PLUNGER EXTENDING THROUGH AN APERTURE IN SAID BRACKET FOR RECTILINEAR PATH OF MOVEMENT RELATIVE THERETO, A CAM FOLLOWER AND A GENERALLY CIRCULAR CONTACT DISC MOUNTED ON SAID PLUNGER, A PLANAR ARRAY OF SPACED STATIONARY CONTACTS MOUNTED ON SAID BRACKET AND JUXTAPOSED TO SAID DISC FOR MAKE AND BREAK CONTACT WITH SAID DISC UPON MOVEMENT THEREOF, SAID APERTURE BEING SLIGHTLY LARGER THAN THE JUXTAPOSED CROSS-SECTIONAL CONFIGURATION OF SAID PLUNGER TO ALLOW A GIVEN AMOUNT OF MISALIGNMENT THEREOF RELATIVE TO SAID PATH, THE CONTACTING SURFACE OF SAID DISC BEING UNIFORMLY TAPERED TOWARD AND AROUND ITS CIRCUMFERENTIAL EDGE TO AFFORD WIPING OF SAID SURFACE RELATIVE TO SAID CONTACTS AND CENTERING OF SAID DISC AND PLUNGER RELATIVE TO SAID ARRAY OF CONTACTS, AND BIASING MEANS COUPLED TO SAID PLUNGER FOR URGING SAID CAM FOLLOWER AGAINST A SURFACE OF THE CAM OPERATOR.