Lifting device
United States Patent 2641514
US Patent References:
Piston pin
- - 1637247

Self-aligning bearing
- - 2001383

Full floating axle assembly
- - 2052524

Bearing
- - 2103465

Shock absorbing strut
- - 2364865


Inventors:
Kaufmann, Hecker Harvard
Publication Date:
06/09/1953
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Assignee:
CURTIS MFG COMPANY
Primary Class:
384/29
Other Classes:
92/DIG.001
International Classes:
B66F3/25; E21D15/15; B66F3/24; E21D15/00
US Patent References:
2373505Yieldable device
2439349Shock strut
2561492Cylinder construction