Double lock coin box for vending machines

Claim 1

A COIN RECEIVER FOR A VENDING MACHINE COMPRISING: A COIN BOX PROVIDED WITH MEANS FOR ATTACHING THE BOX TO SAID MACHINE, SAID BOX HAVING A COIN ENTRANCE THEREIN AND AN ACCESS OPENING FOR PERMITTING COIN REMOVEL, AND INCLUDING A COVER NORMALLY DISPOSED IN CLOSING RELATIONSHIP TO SAID OPENING; A GATE MOUNTED IN SAID BOX ADJACENT SAID ENTRANCE; KEY-OPERATED MEANS COUPLED WITH SAID GATE FOR SHIFTING THE LATTER BETWEEN AN OPEN POSITION CLEARING SAID ENTRANCE AND A CLOSED POSITION BLOCKING THE ENTRANCE, SAID MEANS INCLUDING A SHIFTABLE LOCK MEMBER MOVABLE WITH THE GATE TO A DISPOSITION FOR LOCKING THE BOX TO THE MACHINE AS THE GATE IS SHIFTED TO SAID OPEN POSITION, AND MOVABLE AWAY FROM SAID DISPOSITION TO PERMIT REMOVAL OF THE BOX FROM THE MACHINE AS A SAID GATE IS SHIFTED TO SAID CLOSED POSITION; A KEY-OPERATED LOCK STRUCTURE ENGAGEABLE WITH SAID COVER FOR RELEASABLY MAINTAINING THE LATTER IN SAID NORMAL DISPOSITION; AND A RESETTABLE LATCH MECHANISM IN SAID BOX OPERABLY COUPLED WITH SAID GATE FOR PREVENTING REOPENING THEREOF BY SAID MEANS AFTER THE GATE IS SHIFTED TO SAID CLOSED POSITION, SAID MECHANISM INCLUDING A SHIFTABLE RESET ELEMENT ACCESSIBLE THROUGH SAID OPENING AND OPERABLE TO RELEASE SAID GATE UPON ACTUATION OF THE ELEMENT WHEREBY, WHEN THE BOX IS REMOVED FROM THE MACHINE, ACCESS TO COINAGE THEREIN IS DENIED UNTIL SAID LOCK STRUCTURE IS OPERATED TO RELEASE SAID COVER, WHEREUPON THE MECHANISM MAY BE RESET TO PERMIT SUBSEQUENT OPERATION OF SAID MEANS TO REOPEN THE GATE AND RELOCK THE BOX TO THE MACHINE, SAID MECHANISM FURTHER INCLUDING A ROTARY PLATE MEMBER ROTATABLE WITH SAID GATE AND HAVNG A RADIAL PROJECTION DEFINING A CATCH, A LATCH DOG RIGID WITH SAID ELEMENT AND SHIFTABLE THEREWITH BETWEEN A RESET DISPOSITION RADIALLY SPACED FROM THE AXIS OF SAID PLATE MEMBER AND A DISPOSITION IN CLOSER SPACED RELATIONSHIP TO SAID AXIS WHERE THE DOG IS ENGAGEABLE WITH SAID CATCH TO LOCK THE GATE IN SAID CLOSED POSITION, AND YIELDABLE MEANS COUPLED WITH SAID ELEMENT AND BIASING THE LATTER IN A DIRECTION TO SHIFT THE DOG TOWARD SAID CATCH-ENGAGING DISPOSITION, SAID PLATE MEMBER HAVING A COMPONENT EXTENDING ALONG THE PATH OF ROTATION THEREOF AND RADIALLY SPACED FROM SAID AXIS A GREATER DISTANCE THAN SAID CATCH, SAID COMPONENT BEING ENGAGEMENT WITH SAID DOG, UPON MOVEMENT OF THE LATTER TO SAID RESET DISPOSITION AND MOVEMENT OF THE GATE TO SAID CLOSED POSITION, FOR MAINTAINING THE DOG IN SAID RESET DISPOSITION AGAINST THE ACTION OF SAID YIELDABLE MEANS, SAID COMPONENT TERMINATING IN SUBSTANTIAL RADIAL ALIGNMENT WITH SAID CATCH TO RELEASE THE DOG FOR MOVEMENT UNDER THE ACTION OF THE YEILDABLE MEANS AS THE GATE IS SHIFTED TOWARD SAID OPEN PISTON, WHEREBY THE DOG IS PRECLUDED FROM ENGAGING THE CATCH BUT MOVES TO AN INTERMEDIATE RADIAL POSITION SO THAT, WHEN THE GATE IS RETURNED TO THE CLOSED POSITION, THE DOG ADVANCES FURTHER UNDER THE ACTION OF THE YIELDABLE MEANS TO ENGAGE THE CATCH AND LOCK THE GATE.