Supports – Resilient support – Including load sustaining bearing or guide
Patent
1993-03-19
1994-11-15
Chin-Shue, Alvin C.
Supports
Resilient support
Including load sustaining bearing or guide
248584, 248421, 248423, 267131, F16M 1300
Patent
active
053640608
ABSTRACT:
A seat suspension system for supporting a seat support member on a base member includes support arms which cooperate with a spring suspension so as to suspend loads imposed on the seat. The support arms are connected to one of the seat support member and base member by a support mechanism. A cam element acts upon at least one of the seat support member and the base member and presents a cam surface offering a resistance to the motion of the accompanying cam follower which varies depending upon the height of the seat support member. The system preferably includes a height adjust mechanism for adjusting the unloaded distance between the seat support member and the base member. The height adjust mechanism may be either a ratchet mechanism which is operated by lifting the seat support member, or a spring assisted mechanism which is operable independently of the main suspension springs and which automatically biases an unloaded seat support member upwardly.
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Boyles Bradley S.
Donovan Kyle P.
Berger Derek J.
Chin-Shue Alvin C.
Milsco Manufacturing Company
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