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公开(公告)号：US4171032A
公开(公告)日：1979-10-16
申请号：US886248
申请日：1978-03-13
CPC分类号： E04G21/3261 , A62B35/04
摘要： A vertical sleeve secured to a side of a structure on which a man is working receives and supports the lower end portion of a pole that has a much longer inclined upper portion so that its upper end will be directly above a point spaced laterally from the sleeve. A safety line suspended from the upper end of the pole is connected to a safety belt worn by the workman and is long enough to permit him to work close to the sleeve. The pole is rotatable in the sleeve to allow its upper end to be moved in an arc around the sleeve to increase the size of the area in which the man can work.
摘要翻译： 固定在男子正在工作的结构的一侧的垂直套筒容纳和支撑具有更长的倾斜上部的杆的下端部，使得其上端将直接在与套筒横向间隔开的点的上方 。 从杆的上端悬挂的安全线连接到由工人佩戴的安全带，并且足够长以允许他靠近套筒工作。 杆可以在套筒中旋转以允许其上端围绕套筒移动，以增加人员可以在其中工作的区域的尺寸。
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公开(公告)号：US4094051A
公开(公告)日：1978-06-13
申请号：US797333
申请日：1977-05-16
CPC分类号： B21D53/261 , Y10T29/49456 , Y10T29/49789 , Y10T29/49796
摘要： A series of adjoining concentric rings are cut from a metal plate. The same number of hubs, all the same shape, are also cut from plate material as are annular web plates to fit around hubs, but the outer diameters of the web plates are different from one another in order to fit in the different rings. Each web plate is welded to a hub and encircling ring to form a sheave that is then provided with a circumferential groove to provide a grooved rim for receiving a wire line. The sheaves can be mounted side by side on a common shaft, with the largest sheave at one end and the smallest at the opposite end. This arrangement is suitable for a crown block.
摘要翻译： 从金属板切割出一系列邻接的同心环。 相同数量的轮毂，全部相同的形状，也从平板材料切割成环形腹板以适合轮毂，但腹板的外径彼此不同，以适应于不同的环。 每个网板焊接到轮毂和环绕环以形成滑轮，然后设置有周向槽，以提供用于接收线路的槽边缘。 滑轮可以并排安装在公共轴上，最大的滑轮在一端，最小的在相反的一端。 这种布置适合于皇冠块。
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3.发明授权Fabric accessories for crutches and walkers, providing carrying expandable volumes for personal use items and shopping items, and presenting reflective fabric portions thereof for observation by others 失效用于拐杖和步行器的织物配件，为个人用品和购物物品提供可扩展的容积，并呈现其反射织物部分以供其他人观察
公开(公告)号：US5340005A
公开(公告)日：1994-08-23
申请号：US888353
申请日：1992-05-21
CPC分类号： A61H3/02 , A61H3/00 , A61H2003/002 , A61H2201/0188
摘要： Reflective fabrics are used extensively throughout strong, expandable, selectively and resiliently restrained, fabric accessories for removable securement to crutches and walkers, to provide expandable carrying volumes for personal use items and shopping items, while at the same time presenting the reflective fabric portions to be readily observed, especially by operators of vehicles.
摘要翻译： 反光织物广泛用于强力，可扩张，选择性和弹性约束的织物附件中，用于可拆卸固定到拐杖和步行器上，为个人用品和购物物品提供可扩展的携带量，同时将反光织物部分呈现 容易观察到，特别是车辆的操作者。
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4.发明授权Fabric accessories for crutches and walkers, providing carrying expandable volumes for personal use items and shopping items, and presenting reflective fabric portions thereof for observation by others 失效用于拐杖和步行器的织物配件，为个人用品和购物物品提供可扩展的容积，并呈现其反射织物部分以供其他人观察
公开(公告)号：US5511710A
公开(公告)日：1996-04-30
申请号：US288543
申请日：1994-08-09
CPC分类号： A61H3/02 , A61H3/00 , A61H2003/002 , A61H2201/0188
摘要： Reflective fabrics are used extensively throughout strong, expandable, selectively and resiliently restrained, fabric accessories for removable securement to crutches and walkers, to provide expandable carrying volumes for personal use items and shopping items, while at the same time presenting the reflective fabric portions to be readily observed, especially by operators of vehicles. In this Divisional Application, the claims are directed to providing a pocket accessory for crutches.
摘要翻译： 反光织物广泛用于强力，可扩张，选择性和弹性约束的织物附件中，用于可拆卸固定到拐杖和步行器上，为个人用品和购物物品提供可扩展的携带量，同时将反光织物部分呈现 容易观察到，特别是车辆的操作者。 在本分部申请中，索赔旨在提供拐杖的口袋配件。
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5.发明授权Fabric accessories for crutches and walkers, providing carrying expandable volumes for personal use items and shopping items, and presenting reflective fabric portions thereof for observation by others 失效用于拐杖和步行器的织物配件，为个人用品和购物物品提供可扩展的容积，并呈现其反射织物部分以供其他人观察
公开(公告)号：US5513789A
公开(公告)日：1996-05-07
申请号：US288679
申请日：1994-08-09
CPC分类号： A61H3/02 , A61H3/00 , A61H2003/002 , A61H2201/0188
摘要： Reflective fabrics are used extensively throughout strong, expandable, selectively and resiliently restrained, fabric accessories for removable securement to crutches and walkers, to provide expandable carrying volumes for personal use items and shopping items, while at the same time presenting the reflective fabric portions to be readily observed, especially by operators of vehicles. In this Divisional Application, the claims are directed to providing a pocket accessory for walkers.
摘要翻译： 反光织物广泛用于强力，可扩张，选择性和弹性约束的织物附件中，用于可拆卸固定到拐杖和步行器上，为个人用品和购物物品提供可扩展的携带量，同时将反光织物部分呈现 容易观察到，特别是车辆的操作者。 在本分部申请中，索赔旨在为步行者提供口袋附件。
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