B - Operations – Transporting – 61 – F
Patent
B - Operations, Transporting
61
F
B61F 5/14 (2006.01) B61F 5/08 (2006.01)
Patent
CA 2752547
A side bearing assembly adapted to be disposed intermediate a bolster and a car body of a railway vehicle, comprises a housing having sidewall structure extending upward from a base of the housing and defining a first axis, the housing being configured with apertured mounting portions for permitting the housing to be secured to the bolster, the apertures on the mounting portions being aligned along a second axis extending generally normal to the first axis, and with the housing defining an open-top cavity and a plurality of openings arranged in the vicinity of an intersection between the sidewall structure and the base of the housing and opening to the cavity, a cap adapted to telescopically move relative to the housing, the cap having a generally planar top surface, with the cap further including sidewall structure formed integral with and depending from the top surface, an elastomeric spring arranged within the open-top cavity defined by the housing and operably disposed between an underside of the top surface of the cap and a lower surface defining the open-top cavity for urging the generally planar top surface of the cap into frictional sliding contact with an undersurface of the car body, and wherein the cap defines, at least in part, a plurality of openings which are substantially unobstructed by the undersurface of the car body, and with the openings in the cap cooperating with the openings in the housing so as to permit venting of heat from the cavity thereby prolonging the usefulness of the thermoplastic spring, and wherein the housing and the cap define cooperating instrumentalities for inhibiting the openings in the cap from rotating relative to the housing and about the first axis.
Dillon Michael S.
Jensen Erik D.
O'donnell William P.
Vanmaldegiam Michael D.
Wilt Donald E.
Miner Enterprises Inc.
Sim & Mcburney
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