Elevator lifting frame

Details Elevator lifting frame Elevator lifting frame

1974-08-16

1976-05-04

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 1R, 187 95, B66B 904, B66B 1104

Patent

active

039541576

ABSTRACT:
An hydraulic elevator installation for vertically transporting an elevator cab up and down in a hoistway comprises a piston fixedly mounted in a vertical position in the hoistway and a lifting frame for carrying the elevator cab. The lifting frame includes a cylinder forming a vertical support member of the lifting frame and slidably mounted about the piston for vertical reciprocating movement thereon.

REFERENCES:
patent: 1986620 (1935-01-01), Borden
patent: 2214588 (1940-09-01), Lagerquist
patent: 2781866 (1957-02-01), Milam
patent: 3215227 (1965-11-01), MacChesney
patent: 3252547 (1966-05-01), Hornedo
patent: 3413767 (1968-12-01), Wilson
patent: 3468401 (1969-09-01), Letz
patent: 3613834 (1971-10-01), Field
patent: 3631942 (1972-01-01), Brounn
patent: 3650356 (1972-03-01), Brown
patent: 3741351 (1973-06-01), Suozzo

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