Universal lock for a positive safety door, in particular a landi

Details Universal lock for a positive safety door, in particular a landi Universal lock for a positive safety door, in particular a landi

1993-10-01

1996-04-16

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Including barrier mounted at landing

187280, B66B 1302

Patent

active

055073654

ABSTRACT:
The lock is of the type comprising: a housing that can be fastened to the door frame of the landing entrance, a locking bolt for the landing entrance, a bolt-control lever, an exterior lever-operating arm actuated by a cam in the elevator car, an electrical contact indicating the presence of the elevator car, a door pull-away electrical contact, a cable bushing device, and a housing attachment. These components are adaptable to many types of elevators, either by being reversible and/or by adaptation of spare parts supplied and arranged in a stand-by configuration in a recess in the housing.

REFERENCES:
patent: 2307542 (1943-01-01), Prince
patent: 2918988 (1959-12-01), Green
patent: 3277979 (1966-10-01), Stutz

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