Elevator door interlock

Details Elevator door interlock Elevator door interlock

1982-08-13

1984-09-18

Rubinson, G. Z.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 48, 200 6165, B66B 1322

Patent

active

044718560

ABSTRACT:
A door interlock switch is provided for an elevator. The switch means is mounted in a housing adjacent the door, the housing having an opening which permits the entrance of a permanent magnet actuating means. A barrier is mounted in the housing to prevent access to the switch by mechanical devices but which will permit the switch to be operated by the permanent magnet.

REFERENCES:
patent: 2918988 (1959-12-01), Green
patent: 3075617 (1963-01-01), Etter
patent: 3277979 (1966-10-01), Stutz
patent: 3625312 (1971-12-01), Hutner

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