Hydraulic jack assembly for a hydraulic elevator

Details Hydraulic jack assembly for a hydraulic elevator Hydraulic jack assembly for a hydraulic elevator

1986-12-11

1988-04-05

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

92 86, B66B 1104

Patent

active

047352914

ABSTRACT:
A hydraulic jack assembly for a hydraulic elevator including a jack having a cylinder, cylinder head and plunger, and a footer for mounting the jack which includes a box beam having a bottom, side webs and lateral flanges. The cylinder extends through the bottom of the box beam and is fixed to the bottom and lateral flanges. End plates are fixed inwardly from the ends of the box beam to define an overflow oil reservoir which surrounds the jack below the cylinder head for collecting oil which may leak from the cylinder head.

REFERENCES:
patent: 4041845 (1977-08-01), Mean et al.
patent: 4128831 (1978-12-01), Rensch et al.
patent: 4361209 (1982-11-01), Kappenhagen et al.

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