| 摘要 |
A door lock mounted within a door frame comprises a rotatable spindle having shell portions that rotatably extend beyond the door frame between open and locked position. The shell portions define a channel having sides spaced apart to receive and restrain a door edge when in the locked position. In the locked position, a cam follower locking arrangement prevents the spindle from returning to the open positoin. Push button, solenoid and push key activation of a lock releasing lever releases the door lock so as to return the door lock to the open position.
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