Bolster gib

Details Bolster gib Bolster gib

1995-02-24

1996-09-03

Le, Mark T.

Railway rolling stock

Trucks

Bolster

B61D 4900

Patent

active

055513514

ABSTRACT:
A freight car truck utilizes a bolster which extends laterally between two side frames. The bolster outer ends extend through openings in the side frames. Four gibs are located on each outer end. Two are inboard of the side frame and two outboard of the side frame. The gibs are generally rectangular metal bars welded to vertical sides of the bolster. Each gib has a gage side which is perpendicular to the mounting side and which faces an adjacent gib. A seam, formed during manufacturing of the gib, extends around the longitudinal perimeter of the gib. The seam is in a plane which is parallel with the flat portion of the gage side and does not intersect the gage side.

REFERENCES:
patent: 2161513 (1939-06-01), Hammerstrom
patent: 3924542 (1975-12-01), Mac Donnell et al.
patent: 4092932 (1978-06-01), Mac Donnell
patent: 4491075 (1985-01-01), Neumann

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