Railroad car side frame construction

Details Railroad car side frame construction Railroad car side frame construction

1976-08-25

1978-04-18

Hoffman, Drayton E.

Railway rolling stock

Trucks

Bogie

105207, B61F 506, B61F 512, B61F 550, F16F 106

Patent

active

040845133

ABSTRACT:
A railroad truck side frame includes spaced tension and compression members connected by vertical columns. The tension and compression members, as well as the vertical columns, define a window and there is a bolster extending through the window. One side of each vertical column has a widened area, with the opposite side of each vertical column being substantially coplanar with the side frame. The bolster has lugs projecting from both sides thereof on opposite sides of each column, with the space between lugs on each side of the bolster being substantially greater than the width of the side frame and slightly greater than the distance between the outside of the widened area and the opposite side of the vertical column.

REFERENCES:
patent: RE22867 (1947-04-01), Dath
patent: 2547348 (1951-11-01), Orr et al.
patent: 2827987 (1958-03-01), Williams
patent: 3080828 (1963-03-01), Tack et al.
patent: 3408955 (1968-11-01), Barber
patent: 3575117 (1971-04-01), Tack
patent: 3857341 (1974-12-01), Neumann

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