Gerald E O'Neil

US Patent:

42483182, Feb 3, 1981

Filed:

Nov 29, 1979

Appl. No.:

6/098703

Inventors:

Gerald D. O'Neil - South Holland IL

Assignee:

AMSTED Industries Incorporated - Chicago IL

International Classification:

B61F 506
B61F 552
G01N 500
G01G 1908

US Classification:

177137

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.