Elevator car door lock
AssigneeThe Peelle Company
InventorsSteven P. Reynolds, Richard W. Lajeunesse, Zygmunt Dziwak
Life of this patent
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Abstract
An elevator car with a retiring cam for releasing a landing door lock, a lock for maintaining a car door locked, the retiring cam being constructed and arranged to unlock the car door lock when deployed to unlock a landing door.
Claims6
An elevator car with a vertical sliding door and with a retiring cam that extends for releasing a landing door lock,
- a lock for maintaining said car door locked and being independent of a landing door lock, the retiring cam being constructed and arranged to unlock said car door lock when extended to unlock a landing door.
An elevator car with a vertical sliding door operating in a hoistway and with a retiring cam that extends for opening a landing door lock when deployed, a car door lock independent of the landing door lock, a body carried on and movable relative to the retiring cam, the body being mechanically connected to the car door lock, the body, car and hoistway being constructed and arranged for the body to be displaced relative to the retiring cam when the retiring cam is deployed and the car is aligned with a landing of the hoistway, the mechanical connection between the body and car lock serving to open the car door lock when the body is displaced relative to the retiring cam.
Dependencies are inferred from the claim text.