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1. 发明授权

US07574966B1 Portable voting booth and leg-holding structure 失效
标题翻译：便携式投票亭和支腿结构
公开(公告)号：US07574966B1
公开(公告)日：2009-08-18
申请号：US11982072
申请日：2007-11-01
申请人： Richard J. Stephens , Horst B. Krippner
发明人： Richard J. Stephens , Horst B. Krippner
IPC分类号： A47B11/00
CPC分类号： E04H1/1255
摘要： A portable voting booth for a user to erect at a voting place when needed and disassemble thereafter for transportation and storage includes a base portion and a plurality of legs for assemble onto the base portion. The base portion defines a plurality of leg-receiving bores for receiving hollow tubular end portions of the plurality of legs. The base portion also includes leg-gripping components within the bores for gripping the tubular end portions in order to restrain the legs from falling out of the leg-receiving bores under influence of gravity. The leg-gripping components of one embodiment include four resiliently deformable, axially extending fingers within each of four leg-receiving bores, the fingers resiliently deforming so that they fit axially into the tubular end portions to bear radially outward against the inwardly facing inner walls of the tubular end portions for leg-restraining purposes.
摘要翻译：用户在需要时立即在投票处竖立的便携式投票亭，此后进行运输和存储，其中包括用于组装到基座部分上的基部和多个支脚。基部限定多个支腿接收孔，用于接收多个腿的中空管状端部。底座部分还包括用于夹持管状端部部分的孔内的腿部夹持部件，以便限制腿在重力的影响下从腿部接收孔中脱出。一个实施例的腿部抓握部件在四个腿部接收孔的每一个内部包括四个可弹性变形的轴向延伸的指状物，指状物弹性变形，使得它们轴向地配合到管状端部中，以径向向外抵靠抵靠面向内的内壁用于腿部限制目的的管状端部。

2. 发明授权

US4580800A Shopping cart security device 失效
标题翻译：购物车安全装置
公开(公告)号：US4580800A
公开(公告)日：1986-04-08
申请号：US610976
申请日：1984-05-16
申请人： Gene Upton , Horst B. Krippner
发明人： Gene Upton , Horst B. Krippner
IPC分类号： B62B3/14 , B62B5/04 , B60B33/02
CPC分类号： B62B5/0423 , B62B3/1492 , B62B2301/0463 , B62B2301/08 , B62B2301/20 , Y10T16/195
摘要： A security device for use on shopping carts comprises an extra wheel adapted to be installed on a cart such that it normally travels along the ground at location spaced behind the front wheels, and a locking assembly for locking the extra wheel in a turn-inducing orientation when actuated by someone pushing the cart over a raised barrier. The extra wheel is mounted on the cart by a telescopic mounting assembly comprising first and second telescoping cylinders. The first cylinder is adapted to be mounted on the cart in a vertical orientation at a position spaced behind the front wheels, and the extra wheel is mounted at the lower end of the second cylinder which is telescopically engaged in the first cylinder. Swivelling motion of the extra wheel is allowed by rotation of the second cylinder, and the locking assembly is arranged to lock the second cylinder against rotation as soon as the operator attempts to make a turn after it has been actuated by the second cylinder sliding out of the first cylinder as a result of the front end of the cart passing over the barrier.
摘要翻译：用于购物车的安全装置包括适于安装在推车上的额外的车轮，使得其通常沿着位于前轮后面的位置沿着地面行进;以及锁定组件，用于将额外车轮锁定在转弯方向当由某人推动推车在升高的障碍物上启动时。额外的车轮通过包括第一和第二伸缩缸的伸缩式安装组件安装在车上。第一气缸适于在与前轮间隔开的位置处以垂直方向安装在推车上，并且额外的轮安装在可伸缩地接合在第一气缸中的第二气缸的下端。通过第二气缸的旋转允许额外的车轮的回转运动，并且锁定组件被布置成一旦操作者在其被第二气缸滑出之后试图转动时锁定第二气缸以防旋转由于车的前端经过障碍物的第一个气缸。

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