Spring devices – Vehicle – Leaf
Patent
1995-02-22
1996-08-06
Oberleitner, Robert J.
Spring devices
Vehicle
Leaf
267269, B60G 1102
Patent
active
055426522
ABSTRACT:
An anti-friction pad for a bushed pivot connection of a main leaf spring and a secondary leaf spring of a spring mounted air spring suspension of a vehicle. The pivot connection includes a bushing, a main leaf spring having an eye receiving the bushing and a secondary leaf spring having an eye receiving the eye of the main leaf spring and the inside surfaces of bushing hanger bracket. The anti-friction pad has an elongated main body portion positioned between and in contact with the main leaf spring and the secondary leaf spring. The anti-friction pad also has side walls which engage the secondary leaf spring. The anti-friction pad has a center post which seats in a socket of the secondary leaf spring. The main body portion of the pad has an outer convex surface which mates with a concave face of the main leaf spring. The anti-friction pad is formed of an ultra high molecular weight polyethylene.
REFERENCES:
patent: 1327063 (1920-01-01), Rigby
patent: 2649296 (1953-08-01), Dow
patent: 3159389 (1964-12-01), Clary
patent: 3841655 (1974-10-01), Schaeff
patent: 4132433 (1979-01-01), Willetts
patent: 5088758 (1992-02-01), Wall et al.
patent: 5346247 (1994-09-01), Snyder
patent: 5362095 (1994-11-01), Eveley
Oberleitner Robert J.
Poon Peter M.
Reyco Industries, Inc.
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