Slide bearing attachment for U-section type unit brake beam guide lugs
US4463835A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1982 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Sep 13, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61H13/38
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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 i…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.