Elevator system

Details Elevator system Elevator system

1980-12-22

1982-11-30

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

92165R, 182141, B66B 1104

Patent

active

043612091

ABSTRACT:
An elevator system including an elevator car, and a hydraulic jack. The elevator car includes a metallic tunnel structure which extends vertically upward therethrough, with the hydraulic jack lifting and lowering the elevator car via contact with an end plate secured to the upper end of the tunnel. Stabilizer means in the tunnel, fixed to a predetermined portion of the hydraulic jack, coacts with the inner sidewalls of the tunnel to provide intermediate support and centering forces which promote coaxial alignment between the hydraulic jack and tunnel.

REFERENCES:
patent: 773478 (1904-10-01), Conner et al.
patent: 827282 (1906-07-01), Anderson
patent: 3016992 (1962-01-01), Wilson
patent: 3271791 (1966-09-01), Sarff
patent: 3413767 (1968-12-01), Wilson
patent: 3650356 (1972-03-01), Brown

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