Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Railcar truck bolster with preassembled friction shoes

Railcar truck bolster with preassembled friction shoes

US Patent 4825775 · Granted May 2, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Side frame-bolster interface for railcar truck assembly2001
Side frame-bolster interface for railcar truck assembly2001
Bolster land arrangement for a railcar truck1999
Dynamically stable, lightweight railcar support system1998
Railcar truck bearing adapter construction1998
Device for improving warp stiffness of a railcar truck1998
Gravity wedge for a slackless railcar connector assembly1996
Lightweight truck sideframe1996
Railcar articulated connector and wedge shim therefore1992
Self adjusting constant contact side bearing for railcars1992
Railcar truck bolster with immobilized friction shoes1992
Electrically grounded railway truck1990