On-off switch with cover interlock and overriding means for typewriter

Claim 1

ON-OFF MECHANISM FOR A KEYBOARD EQUIPPED POWER ACTUATED OFFICE MACHINE HAVING A MOTOR AND A PLURALITY OF KEY ACTIVATED INSTRUMENTALITIES COMPRISING; (A) A MANIPULATABLE ON-OFF ELEMENT; (B) A SWITCH ADAPTED TO BE ELECTRICALLY CONNECTED TO SAID MOTOR; (C) A MEMBER MOVABLE BETWEEN FIRST AND SECOND POSITIONS TO ACTIVATE AND DEACTIVATE SAID MOTOR BY CLOSING AND OPENING SAID SWITCH; (D) MEANS BIASING SAID MEMBER TO SAID FIRST POSITION; (E) A TRANSFER DEVICE OPERATIVELY CONNECTED TO SAID ONOFF ELEMENT AND COMPRISING A LEVER MOVABLE ALTERNATELY BETWEEN FIRST SECOND LIMIT POSITIONS BY SUCCESSIVE LIKE MOVEMENTS OF THE ON-OFF ELEMENT, SAID LEVER BEING ENGAGEABLE WITH SAID MOVABLE MEMBER AS SAID LEVER MOVES FROM ITS FIRST LIMIT POSITION TO ITS SECOND LIMIT POSITION TO MOVE SAID MEMBER FROM ITS FIRST POSITION TO ITS SECOND POSITION AGAINST THE FORCE EXERTED ON SAID MEMBER BY SAID BIASING MEANS AND EFFECTIVE IN SAID SECOND LIMIT POSITION TO MAINTAIN SAID MEMBER IN ITS SECOND POSITION AND SAID LEVER BEING SPACED FROM SAID MEMBER IN ITS FIRST LIMIT POSITION TO ALLOW SAID BIASING MEANS TO MOVE SAID MEMBER TO ITS FIRST POSITION AND CLOSE SAID SWITCH; (F) A MACHINE COVER HAVING A PORTION MOVABLE BETWEEN CLOSED AND OPEN POSITIONS; AND (G) MEANS RESPONSIVE TO OPENING MOVEMENT OF SAID MOVABLE COVER PORTION FOR MOVING SAID MEMBER TO ITS SECOND POSITION AGAINST THE FORCE EXERTED BY SAID BIASING MEANS TO THEREBY OPEN SAID SWITCH, SAID LASTNAMED MEANS OPERATING INDEPENDENTLY OF THE MANIPULATION OF THE ON-OFF ELEMENT.