Railway rolling stock – Trucks – Bogie
Patent
1995-11-13
1997-05-27
Le, Mark T.
Railway rolling stock
Trucks
Bogie
1052181, 10522405, 105196, B61F 500
Patent
active
056322089
ABSTRACT:
A multi-axle railroad car truck or bogie is described as having two very important features; namely, a suspension and snubbing mechanism associated with each axle end to cushion, isolate and dampen vibrations imparted to the axles, and a device for mounting each saddle on an associated pedestal for swinging in a generally vertical plane, such that the axles held captive by the saddles, will each independently move laterally in either of a pair of opposing directions of from 1" to 11/4", measured from a center plane midway between the side frames, when the truck is horizontally disposed in a rest position. Further, the saddles are mounted such that each axle end can move independently in either of a pair of opposing directions of from 3/8" to 1/2", measured from a fixed vertical plane which includes the longitudinal axis of the axle, when the truck is horizontally disposed in the rest position. Further described is a rigid framework for distributing loads to the axles of a tri-axle truck or bogie.
REFERENCES:
patent: 1144329 (1915-06-01), Howard et al.
patent: 1504252 (1924-08-01), Larsen
patent: 1632117 (1927-06-01), Charles
patent: 1762887 (1930-06-01), O'Brien
patent: 3394662 (1968-07-01), Weber
patent: 5327837 (1994-07-01), Weber
Le Mark T.
National Castings Incorporated
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