Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Patent
1998-10-09
2000-12-05
Mar, Michael
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
267 33, 267170, 280124155, B60G 1300
Patent
active
061555444
ABSTRACT:
The coil spring of a vehicle shock absorber can be seated on an elastomeric sound isolator pad whose spring engagement surface has plural slot-like depressions evenly spaced around the pad circumference. These slot-like depressions form raised ribs that provide the contact surfaces for the lowermost convolution of the coil spring. Each rib can readily deform under the spring force. Side surfaces of the ribs can act as heat-dissipating surfaces. The slot construction allows the pad to be formed out of a reasonably high durometer and highly wear-resistant elastomer without adversely affecting the desired rib deflection.
REFERENCES:
patent: 3051469 (1962-08-01), Boschi
patent: 4721325 (1988-01-01), Mackovjak et al.
patent: 5249781 (1993-10-01), Wohler
patent: 5308048 (1994-05-01), Weaver et al.
patent: 5454585 (1995-10-01), Dronen et al.
patent: 5676355 (1997-10-01), Hayashi et al.
Johnson James J.
Solomond Jonathan P.
Weaver Michael S.
Chrysler Corporation
Lipka Pamela J.
Mar Michael
Shurupoff Lawrence J.
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