Slide bearing attachment for U-section type unit brake beam guid

Details Slide bearing attachment for U-section type unit brake beam guid Slide bearing attachment for U-section type unit brake beam guid

1982-09-13

1984-08-07

Butler, Douglas C.

Brakes

Vehicle

Railway

188209, 1882333, B61H 1300

Patent

active

044638353

ABSTRACT:
A slide bearing for attachment to U-section formed sheet metal type guide lugs of unit brake beams for mounting the unit brake beams equipped with such guide lugs in the railroad car truck side frame unit brake beam guide brackets, preferably in place of the conventional spring steel wear plate now generally in use comprising a one piece box like body, preferably formed from a polymeric material, such as UHMW polyethylene, of dry self lubricating characteristics that is rectilinear and planar in outline and of U-shaped transverse cross-sectional configuration defining a web portion and spaced apart side walls shaped and proportioned for substantially complemental but slidable seating in the side frame guide bracket in which the guide lug is to be mounted, with the side walls being closed at their end edges by integral end walls and with the inner surfacing of the side walls and the bearing body being formed to closely receive the brake beam guide lug, and with the respective body side walls each recessing in opposed relation a truncated washer. The washers have their center portions welded to the guide lug side walls to secure the bearing to the guide lug, and when the brake beam is mounted in its operating position in the side frame guide brackets adapted to hold same, the guide lug bearings dispose the brake beam guide lugs to which they are applied in substantially coplanar alignment with the desired brake beam movement radially of the axle wheel to be braked, on actuation of the brakes.

REFERENCES:
patent: 2918149 (1959-12-01), McClure et al.
patent: 3207271 (1965-09-01), Polanin et al.
patent: 3266601 (1966-08-01), Taylor
patent: 3386533 (1968-06-01), Taylor et al.
patent: 4211311 (1980-07-01), McMullen
Page 617, Car & Locomotive Cyclopedia, 1980, Pub. by Simmons-Boardman Pub. Corp.

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