Power cylinders and pistons for hydraulic presses, jacks and the like
United States Patent 2811950
US Patent References:
/0458223.html
- - 0458223

/1075468.html
- - 1075468

Lifting jack
- - 1713907

Pump rig
- - 1890244

Hydraulic mechanism for machine tools and the like
- - 2371553


Inventors:
Entz, Gerhard B.
Publication Date:
11/05/1957
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Assignee:
SOUTHWEST IND PRODUCTS INC
Primary Class:
92/79
Other Classes:
92/194, 92/110, 92/86, 92/128, 92/260, 92/163, 254/93R
International Classes:
B66F3/25; F15B15/14; F16J1/09; B66F3/24; F15B15/00; F16J1/00
US Patent References:
2379683Air motor
2452369Self-bleeding hydraulic cylinder
2455725Windshield wiper mechanism
2596475Air bleed system for hydraulic table reciprocating mechanism
Foreign References:
FR414448A
DE656338C