Flexible railway car truck
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 1990
Issued Date -
N/A
app pub date -
Dec 15, 1988
filing date -
Aug 28, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiple axle railway truck is disclosed having side frames and a plurality of axled wheelsets, with roller bearings mounted in pedestal jaws having clearance fore-and-aft of the vehicle, thereby providing freedom for relative yaw motions of the wheelsets, structure interconnecting the side frames including a transverse shear plate restraining relative fore-and-aft movement of the side frames and accommodating relative pitching movement of the side frames; flat resilient pads between the roller bearings and the base of the pedestal jaws for at least one wheelset; and a method for retrofitting existing trucks to embody the structure referred to.
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