Hollow elastomeric spring

Details Hollow elastomeric spring Hollow elastomeric spring

1987-02-02

1988-11-01

Butler, Douglas C.

Spring devices

Vehicle

Elastomeric

248634, 2671411, 267153, B60G 1122, F16F 140

Patent

active

047813652

ABSTRACT:
A spring suitable for use in a vehicle suspension comprises a pair of rigid end members and bonded therebetween a body of elastomeric material which is of solid cross-section over a part of the spring in the vicinity of a first end member and hollow in the vicinity of a second end member for between 10 and 80% of the length of the body. The body is of progressively increasing external cross-sectional dimension over a first part of the length of the body as considered in a direction away from the first end member and of progressively decreasing external cross-section over a second part of the length of the spring extending to the second end member.

REFERENCES:
patent: 3270998 (1966-09-01), Keetch
patent: 3831923 (1974-08-01), Meldrum
patent: 4198037 (1980-04-01), Anderson
patent: 4690388 (1987-09-01), Harrison

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