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1. 发明授权

US3836180A Cushioned bumper for scrapers 失效
标题翻译： CESHIONED BUMPER FOR SCRAPERS
公开(公告)号：US3836180A
公开(公告)日：1974-09-17
申请号：US40957973
申请日：1973-10-25
申请人： CARDWELL WESTINGHOUSE CO
发明人： KANJO W
IPC分类号： B60R19/32 , B60R19/36 , B60R19/08 , B60D3/00
CPC分类号： B60R19/36 , B60R19/32
摘要： A cushioned bumper for ground scrapers comprising a housing adapted to be mounted on the rear end of the scraper in a generally horizontal postion and extending longitudinally of the scraper, with the housing carrying a pair of internal stop elements, a tubular plunger structure reciprocably mounted in the housing and carrying stop lugs, adapted to engage the respective housing stop elements, and a buffer plate exposed exteriorly of the housing against which the blade of a bulldozer or the like will engage to push the scraper when struck, and a composite cushioning arrangement interposed between the housing and the plunger including spring means to bias the plunger structure outwardly against the housing stop elements, in which the sides of the housing are equipped with special stiffener elements that hold the housing stop elements and the housing side walls bearing same against displacement laterally outwardly of the housing due to recoil and the lateral forces due to the bulldozer working against the plunger in rough terrain.
摘要翻译：一种用于刮土器的缓冲保险杠，包括适于以大致水平的位置安装在刮刀的后端并且沿刮刀的纵向延伸的壳体，其中壳体承载一对内部止动元件，可往复地安装在壳体和承载止动凸耳，其适于接合相应的壳体止动元件，以及暴露在外壳外部的缓冲板，推土机等的刀片将在撞击时与刮板接合以推动刮板;以及插入的复合材料缓冲装置所述壳体和所述柱塞之间包括弹簧装置，以将所述柱塞结构向外偏压抵靠所述壳体止动元件，其中所述壳体的所述侧面配备有特殊的加固元件，所述特殊加强件保持所述壳体止动元件和所述壳体侧壁承受相同的横向位移由于反冲而引起的外壳外部以及由于推土机造成的侧向力在崎岖的地形上冲击柱塞。

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