Automatic shut-off mechanism for record changers

Claim 1

IN A PHONOGRAPH RECORD CHANGER, THE COMBINATION OF A BASE PLATE, A SWITCH DEVICE MOUNTED TO THE BASE PLATE FOR CONTROLLING OPERATION OF THE RECORD CHANGER, A ROTARY SWITCH ACTUATING MEMBER ROTATABLE BETWEEN A FIRST POSITION FOR CLOSING THE SWITCH AND A SECOND POSITION FOR OPENING THE SWITCH, MANUAL CONTROL MEANS OPERATIVELY CONNECTED WITH THE SWITCH ACTUATING MEMBER FOR EFFECTING MANUAL ROTATION OF THE SWITCH ACTUATING DEVICE BETWEEN ITS SAID FIRST AND SECOND POSITIONS AND AUTOMATIC SHUT-OFF MECHANISM SEPARATELY ASSOCIATED WITH THE SWITCH ACTUATING MEMBER FOR ROTATING THE SAME TO ITS SECOND POSITION, SAID AUTOMATIC SHUT-OFF MECHANISM INCLUDING A LONGITUDINALLY MOVABLE LEVER RECIPROCALLY MOUNTED ON THE BASE, AND DRIVE MEANS MOVING SAID LEVER IN ONE LONGITUDINAL DIRECTION AFTER THE LAST RECORD HAS BEEN PLAYED, SAID SWITCH ACTUATING MEMBER INCLUDING AN ECCENTRICALLY LOCATED ABUTMENT, THE LEVER HAVING SPRING MEANS SLIDINGLY ENGAGING SAID ABUTMENT, FOR ROTATING SAID SWITCH ACTUATING MEMBER TO ITS SECOND POSITION IN RESPONSE TO THE LONGITUDINAL MOVEMENT OF THE LEVER IN SAID DIRECTION, AND THE SPRING MEANS YIELDING TO PERMIT RELATIVE MOVEMENT BETWEEN THE LEVER AND THE SWITCH ACTUATING MEMBER IN THE EVENT SAID SWITCH ACTUATING MEMBER IS HELD AGAINST ROTATION BY THE MANUAL CONTROL MEANS.