发明名称 Spring element for cushion takes form of spiral twisted about approximately 360 degrees, rising from holding device and arranged laterally with respect to it
摘要 <p>The device (11) has at least one plate spring-shaped spring part (21) extending and rising between a holding device and a supporting plate (4). The spring part repeatedly changes direction between the holding device and the supporting plate. The spring part takes the form of a spiral twisted about approximately 360 degrees, rising from the holding device and arranged laterally with respect to it.</p>
申请公布号 DE102007020608(A1) 申请公布日期 2007.11.08
申请号 DE20071020608 申请日期 2007.04.30
申请人 SCHWENK, HANS ULRICH 发明人 SCHWENK, HANS ULRICH
分类号 A47C23/02;F16F1/373 主分类号 A47C23/02
代理机构 代理人
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