Railway rolling stock – Trucks – Bogie
Patent
1994-05-12
1995-11-07
Graham, Matthew C.
Railway rolling stock
Trucks
Bogie
1052081, B61F 500
Patent
active
054639646
ABSTRACT:
A railroad car truck or bogie is described as having a pair of sideframes between which are mounted a bolster and either a transom or pair of tie rods which, in turn, are attached to a pair of rocker seats which extend into the sideframes and over open, U-shaped channels that are formed in the sideframes midway between the opposing ends of the sideframes. A pair of hardened steel bearings are maintained in spaced coaxial relation in each of the channels. Each of the bearings has at least a parti-cylindrical head which extends in the direction of the adjacent, juxtaposed rocker seat which is provided with a vertically aligned, matingly curved recess for receiving the head of the adjacent bearing. The recesses have a larger radius of curvature to facilitate relative rocking motion between the rocker seats and bearings. Means are provided for limiting the rocking motion between the rocker seats and bearings. Also described is a unique rigid connection between the ends of the tie rods and the rocker seats.
REFERENCES:
patent: 648030 (1900-04-01), Hubbard, Jr.
patent: 1057990 (1913-04-01), Wilson
patent: 3670660 (1972-06-01), Weber et al.
patent: 4278030 (1981-07-01), Ahlborn et al.
patent: 5027716 (1991-07-01), Weber et al.
Long Jack R.
Weber Hans B.
Graham Matthew C.
National Castings Incorporated
Rutherford Kevin D.
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