Lift table

Details Lift table Lift table

1994-10-26

1998-06-30

Chen, Jose V.

Horizontally supported planar surfaces

Vertically adjustable

Shelf type

248631, A47B 900

Patent

active

057718164

ABSTRACT:
A lift table of the type having an air actuator bellows raising and lowering a load platform with a scissors linkage has an auxiliary expansible reservoir in fluid communication with the air bellows to improve the load-deflection characteristic. The auxiliary reservoir consists of an auxiliary bellows clamped between plates with an adjustable spring force.

REFERENCES:
patent: 2942834 (1960-06-01), Clark
patent: 3374981 (1968-03-01), Stuckenberger et al.
patent: 3682431 (1972-08-01), Vivian
patent: 3989232 (1976-11-01), Steinbach et al.
patent: 4461444 (1984-07-01), Grassl et al.
patent: 5018701 (1991-05-01), Olzaki et al.
patent: 5193788 (1993-03-01), Richter et al.
patent: 5199690 (1993-04-01), Marshall
patent: 5234203 (1993-08-01), Smith
patent: 5299906 (1994-04-01), Stone

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