Safety gear for an elevator

Details Safety gear for an elevator Safety gear for an elevator

1990-12-14

1992-11-03

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 89, B66B 516

Patent

active

051599953

ABSTRACT:
A safety gear for an elevator, in which the safety gear housing is mounted on the frame using transverse bars or the like. To prevent accidental gripping of the wedges when the elevator car moves laterally, the safety gear housing is allowed to move laterally along the bars. The safety gear is provided with guiding means placed on either side of the guide rail so that the clearance between them and the guide rail is smaller than the clearance between the wedge and the guide rail. Thus, when the lateral displacements of the frame of the elevator car relative to the guide rail exceeds the distance between the guiding means and the guide rail, the safety gear housing is moved laterally and a minimum distance between the wedge and the guide rail is maintained, said minimum distance being at least equal to the difference between said clearances.

REFERENCES:
patent: 1581459 (1926-04-01), Lindquist
patent: 1631340 (1927-06-01), Rohlfing
patent: 4819765 (1989-04-01), Winkler et al.

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