发明名称 Spring, spring core unit and method of producing a spring core unit
摘要 A spring (2) for a spring core unit (1), the spring (2) having a spiral body and an end ring (3) with a substantially straight leg (4). The leg (4) is provided with at least one V-shaped bending (5) or at least one U-shaped bending.
申请公布号 EP2719307(B1) 申请公布日期 2016.04.06
申请号 EP20130000880 申请日期 2013.02.21
申请人 SPÜHL AG 发明人 VOGEL, PETER;BEERLI, MARKUS
分类号 A47C23/043 主分类号 A47C23/043
代理机构 代理人
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