Railway rolling stock – Trucks – Bogie
Patent
1979-07-11
1981-06-30
Silverstrim, John P.
Railway rolling stock
Trucks
Bogie
105189, 308137, B61F 516, B61F 550, F16C 1704, F16C 3374
Patent
active
042756618
ABSTRACT:
A lubricating device for railway car center plates comprises an annular disc of hardened steel plate having a maximum diameter slightly less than the diameter of the truck center plate and an inside diameter substantially greater than the center plate center pin holes, the annular disc being of substantially harder steel than the opposed surfaces of conventional truck and body center plates. The plate is enveloped in a viscous lubricant and is formed with a plurality of holes distributed generally uniformly throughout its surface area and these holes are also filled with lubricant, such that upon relative rotation between the truck and body center plates and during relative radial movements of the annular disc with respect to the truck and body center plates accommodated by horizontal clearance between the periphery of the annular disc and the truck center plate side walls, lubricant is distributed between the top and bottom surfaces of the plate respectively and the body and truck center plate surfaces. Preferably the steel plate is encapsulated in a disintegratable plastic wrapping filled with the lubricant and the entire package is inserted bodily between the truck and body center plate. An annular sealing gasket of elastomeric material is compressed between the rim of the truck center plate and the body center plate.
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patent: 3549217 (1970-12-01), Watson
Beltran Howard
Burgess F. Travers
Hennessy Products, Inc.
Silverstrim John P.
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