Railway truck frames

Details Railway truck frames Railway truck frames

1977-04-05

1979-07-24

Makay, Albert J.

Railway rolling stock

Trucks

Bogie

105202, 105206A, 105208, B61F 500, B61F 504, B61F 514, B61F 552

Patent

active

041619137

ABSTRACT:
A rigid type truck or bogie frame in which the cross-member or bolster is secured at its end portions to a laterally extending central portion of each side member includes a cylindrical portion registering with the main body of the cross-member or bolster and to which the respective ends of the cross-member or bolster are secured as by by butt welding. Each central portion has an upper substantially flat face, a lower slightly convex face and two pairs of laterally protruding swells so as to reduce stress concentrations.

REFERENCES:
patent: 3338183 (1967-08-01), Boissier
patent: 3768419 (1973-10-01), Howard
patent: 3915095 (1975-10-01), Briggs

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