Magnetic proximity switch

Claim 1

A PROXIMITY DETECTOR FOR DETECTING PRESENCE OF A MACHINE OR THE LIKE IN A SPACE ADJACENT THERETO, SAID PROXIMITY DETECTOR COMPRISING: SUPPORT MEANS, INCLUDING AN UPSTANDING STATIONARY PIVOT MEANS PROVIDING A SHARP-POINTED CONDUCTIVE UPPER TIP; ELECTRIC CONTACT MEANS INCLUDING AT LEAST ONE STATIONARY INSULTED CONTACT, SPACED RADIALLY FROM SAID PIVOT MEANS; AND ELONGATE PIVOTED MEANS SUPPORTED AT THE BALANCE POINT THEREOF FOR ROTARY PIVOTAL MOVEMENTS AND TILTING MOVEMENTS ON SAID UPPER TIP, SAID PIVOTED MEANS COMPRISING AN ELONGATE PERMANENTLY-MAGNETIZED MEMBER DISPOSED WITH THE MAGNETIC POLES AT OPPOSITE SIDES OF SAID BALANCE POINT AND SAID PIVOTED MEANS COMPRISING ELECTRICALLY CONDUCTIVE MEANS ELECTRICALLY CONNECTING A CONTACT POINT THEREON IN CONTACT WITH SAID CONDUCTIVE UPPER TIP AND A CONTACT POINT THEREON RADIALLY SPACED FROM SAID PIVOT MEANS A DISTANCE EQUAL TO THE RADIAL SPACING OF SAID STATIONARY CONTACT WHEREBY TO PERMIT ENGAGEMENT THEREWITH, SAID DETECTOR BEING ADAPTED TO BE DISPOSED TO UTILIZE THE MAGNETIC FIELD OF THE EARTH TO ROTATE SAID PIVOTED MEANS TO BRING SAID CONTACT POINT ADJACENT TO SAID STATIONARY CONTACT AND SAID STATIONARY CONTACT BEING DISPOSED CLOSELY ADJACENT TO THE PLANE OF ROTATION OF SAID CONTACT POINT TO UTILIZE THE PHYSICAL ATTRACTION THEREBETWEEN TO TILT SAID PIVOTED MEANS TO BRING THE CONTACT POINT INTO ELECTRICAL CONTACT WITH SAID STATIONARY CONTACT.