Compensating rope sheave tie down

Details Compensating rope sheave tie down Compensating rope sheave tie down

1992-10-07

1994-01-11

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 94, B66B 1104

Patent

active

052772764

ABSTRACT:
A compensating rope sheave tie down assembly prevents the compensating rope sheave from sudden upward movement if the elevator car suddenly jumps upward. The compensating rope sheave assembly comprises a strap, an inertia reel that permits the strap to follow slow movement of the compensating rope sheave, and a spring retaining mechanism that maintains the strap taut at all times. By restricting the upward movement of the sheave, the sheave tie down prevents further upward movement of the elevator car as well.

REFERENCES:
patent: 1789008 (1931-01-01), Lindquist
patent: 1953119 (1934-04-01), McCormick
patent: 1976494 (1934-10-01), Halfvarson
patent: 3653467 (1972-04-01), Showalter

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