Welded railway car truck frame
United States Patent 2637279
US Patent References:
Welded railway truck
- - 1978207

Extensible truck
- - 2113964

Welded truck side frame
- - 2181709

Rail truck suspension
- - 2184102

Car truck
- - 2186008


Inventors:
Charlton, Edward J.
Edwards, Lewis W.
Publication Date:
05/05/1953
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Assignee:
LUKENS STEEL CO
Primary Class:
105/208
Other Classes:
105/206.200
International Classes:
B61F1/00
US Patent References:
2231848Railway truck
2242190Car truck frame
2320085Truck bolster suspension
2347500Railway car truck
2443980Truss side frame
Foreign References:
FR849678A