Constant contact side bearing assembly for a railcar

Railway rolling stock – Trucks – Bogie

Reexamination Certificate

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Details

C384S423000

Reexamination Certificate

active

06957611

ABSTRACT:
A constant contact side bearing assembly configured for insertion into a walled receptacle on an upper surface of a railcar bolster. The constant contact side bearing assembly includes a housing defining a cavity and a spring. A cap is positioned by and overlies an end of the spring. The cap is mounted for reciprocatory guided movements by and relative to the housing, with a generally flat railcar body engaging portion on the cap being positioned relative to the housing and the walled enclosure by the spring. The side bearing assembly further includes an apparatus for securing the housing of the side bearing assembly within the walled receptacle on the railcar bolster.

REFERENCES:
patent: 3707927 (1973-01-01), Geyer et al.
patent: 3735711 (1973-05-01), Hassenauer
patent: 3910655 (1975-10-01), Willison et al.
patent: 3915520 (1975-10-01), Hassenauer
patent: 3957318 (1976-05-01), Wiebe
patent: 4355583 (1982-10-01), Eggert, Jr.
patent: 4567833 (1986-02-01), Hanson
patent: 4793720 (1988-12-01), Merker
patent: 4998997 (1991-03-01), Carlston
patent: 5048427 (1991-09-01), Dumoulin
patent: 5086707 (1992-02-01), Spencer et al.
patent: 5386783 (1995-02-01), Rhen et al.
patent: 5601031 (1997-02-01), Carlson
patent: 6092470 (2000-07-01), O'Donnell
Miner Enterprises, Inc.; TecsPakConstant Contact Side Bearings; 1996; 2 pages; Geneva, Illinois, U.S.A.
One page, two-sided sales brochure entitled “Constant Contact Side Bearing Retrofit Kits” by Miner Enterprises, Inc., undated.

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