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发明名称
Progressive leaf spring esp. for bed frames
摘要
The progressive leaf spring (2) is M-shaped and has an upper flat leaf spring (1) fixed at two impinging points (3,4). A tie rod (5) couples the upper and lower springs, and influences the stiffness of the springs.
申请公布号
DE19819344(A1)
申请公布日期
1999.11.04
申请号
DE19981019344
申请日期
1998.05.01
申请人
INHOFFEN, MARTIN
发明人
分类号
A47C23/06;(IPC1-7):F16F1/18;A47C23/12
主分类号
A47C23/06
代理机构
代理人
主权项
地址
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