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1. 发明授权

US4434953A Dual spool pretensioner 失效
标题翻译：双线轴预紧器
公开(公告)号：US4434953A
公开(公告)日：1984-03-06
申请号：US238070
申请日：1981-03-02
申请人： Charles Gemar , Robert L. Meisch
发明人： Charles Gemar , Robert L. Meisch
IPC分类号： B60R22/44 , A62B35/00 , B60R22/34 , B60R22/46 , B65H75/48 , A62B35/02
CPC分类号： B60R22/4633 , B60R2022/3424 , B60R2022/4614
摘要： A dual spool pretensioner serving dual spool retractors in a common frame by transversely projecting a piston element between the adjacent shaft extensions. The shaft extensions are upset as by knurling and a portion of the piston element is in an interference path with the upset portion of the shafts. The piston is cartridge driven by pyrotechnic means and the portion of the piston means, in the guided interference path with the upset, is deformed during passage between the shafts so that the shafts and the reels attached thereto are positively rotated and webbing on such reels is wound thereon. The pretensioner is removably attached by its case to the retractor frame and stresses in the pretensioner are thereby transmitted through the retractor frame to the mounting thereof.
摘要翻译：双卷轴预张紧器，通过在相邻的轴延伸部之间横向地突出活塞元件，在共同的框架中为双卷轴卷收器提供服务。轴延伸部通过滚花而不舒服，并且活塞元件的一部分与轴的镦粗部分处于干涉路径中。活塞由烟火装置驱动，活塞装置的部分在引导的镦粗干涉路径中在轴之间通过时变形，使得轴和连接到其上的卷轴被正转并且在这种卷轴上的织带是在其上缠绕。预张紧器通过其壳体可拆卸地附接到牵开器框架，并且预紧器中的应力由此通过牵开器框架传递到其安装。

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