Enclosed electric switch with cover-interlocking and handle-operating interlocks

Claim 1

AN ENCLOSED ELECTRIC CONTROL DEVICE COMPRISING: (A) AN ELECTRIC SWITCH, (B) AN ENCLOSURE FOR SAID ELECTRIC SWITCH INCLUDING AN OPENABLE COVER HAVING A HANDLE-OPENING THEREIN, (C) A MANUALLY OPERABLE HANDLE, MEANS MOUNTING SAID MANUALLY OPERABLE HANDLE ON SAID SWITCH FOR MOVEMENT BETWEEN "ON" AND "OFF" POSITIONS, (D) MEANS SUPPORTING SAID SWITCH IN SAID ENCLOSURE WITH SAID MANUALLY OPERABLE HANDLE PROJECTING THROUGH SAID OPENING, (E) AN INTERLOCKING LEVER CARRIED BY SAID SWITCH, (F) A COVER CATCH CARRIED BY SAID OPENABLE COVER, (G) MEANS SUPPORTING SAID INTERLOCKING LEVER FOR MOVEMENT TO A FIRST POSITION WHEN SAID MANUALLY OPERABLE HANDLE IS MOVED TO SAID "ON" POSITION, IN WHICH IT WHEREBY A MULTIPLE SWITCH CIRCUIT MAY BE PROVIDED BY TO A SECOND POSITION WHEN SAID HANDLE IS MOVED TO SAID "OFF" POSITION, IN WHICH IT IS OUT OF ENGAGEMENT WITH SAID COVER CATCH, (H) A WALL MEMBER CARRIED BY SAID ELECTRIC SWITCH AND HAVING AN OPENING THEREIN ELONGATED IN A DIRECTION PARALLEL TO THE PLANE OF SAID OPENABLE COVER, SAID INTERLOCKING LEVER MOVING IN RECIPROCATING FASHION WITHIN SAID ELONGATED OPENING BETWEEN SAID FIRST AND SECOND POSITIONS, (I) MEANS BIASING SAID INTERLOCKING LEVER TOWARD SAID OPENABLE COVER AND AGAINST AN UPPER EDGE PORTION OF SAID OPENING, (J) MEANS CARRIED BY SAID COVER ENGAGING SAID INTERLOCKING LEVER WHEN SAID COVER IS CLOSED AND HOLDING SAID INTERLOCKING LEVER AWAY FROM SAID UPPER EDGE PORTION, (K) THE UPPER WALL OF SAID OPENING HAVING A STEPPED PORTION DEFINING A NARROW PORTION OF SAID OPENING AND A WIDER PORTION THEREOF, SAID INTERLOCKING LEVER WHEN IN SAID FIRST POSITION BEING IN SAID NARROW PORTION OF SAID OPENING AND WHEN IN SAID SECOND POSITION BEING IN SAID WIDER PORTION OF SAID OPENING, (1) SAID LEVER WHEN IN SAID WIDER PORTION OF SAID OPENING BEING MOVED UPWARDLY BY SAID BIASING MEANS UPON OPENING OF SAID COVER AND AGAINST SAID UPPER EDGE PORTION AND BEING BLOCKED BY SAID STEPPED PORTION FROM MOVEMENT TOWARD SAID NARROW PORTION, (M) AND MEANS INTERCONNECTING SAID INTERLOCKING LEVER AND SAID MANUALLY OPERABLE HANDLE AND PREVENTING MOVEMENT OF SAID HANDLE FROM SAID "OFF" TO SAID "ON" POSITIONS WHILE SAID INTERLOCKING LEVER IS IN SAID SECOND POSITION.