Railway car truck load indicator

Details Railway car truck load indicator Railway car truck load indicator

1979-11-29

1981-02-03

Beltran, Howard

Weighing scales

Structural installation

Vehicle

105197R, 105206R, 105207, 177 50, B61F 506, B61F 552, G01N 500, G01G 1908

Patent

active

042483182

ABSTRACT:
This relates to a load spring indicator for a railway car truck for indicating the load condition of springs supporting the bolster on the truck side frame. A reference is carried by the bolster and an indicator is carried by the truck side frame. The bolster reference is preferably the lower edge of the bolster gib or side rib while the indicator is an added plate or casting portion having an upper edge alignable with the lower edge of the bolster gib in the light condition of the car and a lower edge alignable with the bolster gib lower edge in the loaded condition of the car when the spring sets are of the proper strength and the car is not overloaded.

REFERENCES:
patent: 243150 (1881-06-01), Minck
patent: 388874 (1888-09-01), Howard
patent: 695890 (1902-03-01), Sinclair
patent: 825839 (1906-07-01), James
patent: 3190383 (1965-06-01), Fountain
patent: 3285195 (1966-11-01), Babson
patent: 3480095 (1969-11-01), Tuchman
patent: 3967578 (1976-07-01), Gallo

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