Push-button or key actuated switch, particularly for controlling tool machines

Claim 1

PUSH BUTTON SWITCHING ARRANGEMENT COMPRISING: A PLURALITY OF FLAT AND ELONGATED CONTACT SLIDES ARRANGED SO THAT THEIR RESPECTIVE FLAT EXTENSIONS ARE DISPOSED IN SPACED PARALLEL PLANES, THERE BEING A PLURALITY OF RECESSES IN EACH CONTACT SLIDE, WITH EACH RECESS IN EACH CONTACT SLIDE BEING ALIGNED WITH ONE RECESS IN EACH OF ALL OTHER CONTACT SLIDES; CONTACT MEANS ACTUATED BY EACH OF SAID SLIDES UPON SHIFTING THEREOF IN THE DIRECTION OF ELONGATED EXTENSION OF SAID LATTER SLIDE; A PLURALITY OF KEY SLIDES RESPECTIVELY TRAVERSING SAID ALIGNED RECESSES, ONE RECESS OF EACH CONTACT SLIDE, AND IN A DIRECTION TRANSVERSELY TO SAID FLAT EXTENSION; SPRINGS FOR BIASING SAID KEY SLIDES; AND A UNIQUE AND DISTINGUISHING COMBINATION OF CAMS ARRANGED LONGITUDINALLY ALONG EACH KEY SLIDE, EACH CAM HAVING AN ACTUATING SURFACE FOR ENGAGING AT LEAST ONE OF SAID CONTACT SLIDES AT THE RECESS THEREOF AS TRAVERSED BY THE KEY SLIDE TO WHICH SAID LATTER CAM PERTAINS, WHEREBY UPON ACTUATION OF SAID LATTER KEY SLIDE AT LEAST ONE CONTACT SLIDE IS SHIFTED IN SAID DIRECTION OF ELONGATED EXTENSION FOR SELECTIVELY ACTUATING SAID CONTACT MEANS.