Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes fluid supporting ram in drive-means
Patent
1994-07-01
1996-08-06
Terrell, William E.
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes fluid supporting ram in drive-means
187244, B66B 904
Patent
active
055425003
ABSTRACT:
A workcart is provided for containing and handling parts or objects which includes a movable platform to assist the user in loading and unloading during use. A pneumatic mechanism controls the platform movement by use of a bellows and allows the platform to vertically adjust in any of a variety of selectable positions by a three-way control valve mounted on the cart. A pneumatic source such as an air compressor is connected to the pneumatic mechanism by a quick connect coupling. The cart may include wheels to allow it to be easily rolled from workstation to workstation as required.
REFERENCES:
patent: 2610824 (1952-09-01), Grier
patent: 2804118 (1957-08-01), Bayerkohler
patent: 3908562 (1975-09-01), Wittschen
patent: 4867277 (1989-09-01), Sloan
patent: 5119907 (1992-06-01), Billington, III et al.
patent: 5299906 (1994-04-01), Stone
Reichard Dean A.
Terrell William E.
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