Title:
TRAM CONTROL SYSTEM
United States Patent 3497055
Inventors:
Oslakovic, Frank E.
Reilly, Donald C.
Publication Date:
02/24/1970
Export Citation:
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Assignee:
WESTINGHOUSE AIR BRAKE CO
Primary Class:
198/303
International Classes:
B65G37/00; E21F13/02; (IPC1-7): B65G37/00; B65G47/31
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US Patent References:
3339658Controls for earthmoving scrapers connected in tandem
3227235Power drive to maintain constant force between tractor-trailers




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