Slipper bushing with improved axial load capacity

Details Slipper bushing with improved axial load capacity Slipper bushing with improved axial load capacity

1993-02-12

1994-02-15

Kashnikow, Andres

Spring devices

Vehicle

Elastomeric

2671412, 384397, F16F 144, F16F 700

Patent

active

052860140

ABSTRACT:
A slipper bushing is described as being comprised of a number of succeedingly larger cylindrical sleeves, beginning with a rigid, inner sleeve, followed by a polymeric sleeve, then a resilient elastomeric sleeve, and finally, a rigid, outer sleeve. The inner cylindrical surface of the elastomeric sleeve abutting the outer cylindrical surface of the polymeric sleeve, is provided with a number of circumferentially oriented grooves. A lubricant is placed between the interfaces of the polymeric and elastomeric sleeves and moves into and out of the grooves, as the bushing operates. End caps are used at the flange and barrel ends of the slipper bushing to cover the sleeves and seal the interfaces between them from contaminants.

REFERENCES:
patent: 2221884 (1940-11-01), Schmidt
patent: 2659619 (1953-11-01), Kishline et al.
patent: 4477197 (1984-10-01), Choate
patent: 4767108 (1988-08-01), Tanaka et al.
patent: 4809960 (1989-03-01), Kakimoto et al.
patent: 5100114 (1992-03-01), Reuter et al.
patent: 5139244 (1992-08-01), Chakko

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