Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1992-01-10
1994-07-12
Jones, David
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
72211, 72215, 72217, 72219, B21D 316
Patent
active
053277694
ABSTRACT:
This invention is an apparatus for straightening handhold safety appliances located on the side of rail cars.
REFERENCES:
patent: 859706 (1907-07-01), Swaney
patent: 1136252 (1915-04-01), Meier
patent: 1284516 (1918-11-01), Whitecotton
patent: 1642657 (1927-09-01), Frick
patent: 2440536 (1948-04-01), Begley
patent: 2502713 (1950-04-01), Fagge
patent: 2675723 (1954-04-01), Stein
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