Lifting hoist for motor vehicles

Details Lifting hoist for motor vehicles Lifting hoist for motor vehicles

1991-03-28

1992-09-01

Dayonan, D. Glenn

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

254 89H, 254 93VA, B66F 720

Patent

active

051431793

ABSTRACT:
A lifting platform for motor vehicles consisting of a least one lifting cylinder arranged in a covered pit at whose upper end supporting elements for the motor vehicle are attached, a high-pressure unit for supplying pressurized oil to the lifting cylinder and a guide bushing for the lifting cylinder attached to supporting frame anchored in the foundation of the pit. A central rod mounted on the bottom of the pit projects into the lifting cylinder and is sealed with respect to the lower end of the lifting cylinder by a ring gasket and its upper end face forms a pressure face. In the inside wall of each guide bushing there is at least one lubricating channel which is in flow connection with the pressurized oil return line with each lowering stroke of the lifting cylinder or the lifting platform.

REFERENCES:
patent: 844488 (1907-02-01), Weber
patent: 1919156 (1933-07-01), Banning, Jr.
patent: 1982701 (1934-12-01), Smith
patent: 2593630 (1952-04-01), Thompson
patent: 2750004 (1956-06-01), Harrison
patent: 3279562 (1966-10-01), Farrell
patent: 3338334 (1967-08-01), Matthews
patent: 3934680 (1976-01-01), Bishop
patent: 4217972 (1980-08-01), Jones
patent: 4572480 (1986-02-01), Heintzmann et al.
patent: 4815718 (1989-03-01), Kadis
DAT 80 (Deutsche Automobil Treuhand GmbH), pp. 3 and 4 (1980).

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