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专利名称：LOW PROFILE SUSPENSION SEAT发明人：ELLIOT N. DAVIS申请号：AU34675申请日：190511公开号：AU34675A公开日：19901018
摘要：A vehicle seat suspension unit (100) has a base frame (110) mountable in avehicle and a seat support frame (140) on which is mounted a vehicle seat. A scissor-armassembly, with primary links (145) and secondary links (148) interconnect the frames(110, 140) overlapping cam tracks (160, 162), with cam profiles (161, 163) are engaged byrollers (167) attached to main springs (169) anchored on the base frame (110). As theframes (110, 140) move towards each other, the main springs (169) are extended as therollers (167) move along the cam tracks (161, 163) to apply a restoring force to theframes (110, 140). A preload assembly (170) has rocker arms (171), pivotally mounted onthe cam tracks (162), with rollers (175) bearing on the seat support frame (140) andprovided with preload springs (177). By adjustment of the cam tracks (172) relative to thebase frame (110) the preload and the main spring (169) rate can be varied to suit theoperator's weight.
申请人：ROSDON ENGINEERING PTY. LTD.
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