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1. 发明授权

US5332243A Load carrying cradle with separable wheel assemblies 失效
标题翻译：带有可分离轮组件的承载架
公开(公告)号：US5332243A
公开(公告)日：1994-07-26
申请号：US988740
申请日：1992-12-10
申请人： Alexander J. Berry
发明人： Alexander J. Berry
IPC分类号： B62B1/12 , B62B1/00 , B62B5/00
CPC分类号： B62B1/12 , B62B1/268
摘要： A load carrying cradle includes a pair of wheel assemblies, each of which accommodates a bicycle-type wheel rotatable therein. Each wheel assembly includes a pair of horizontal slots, one of which is positioned in front of the wheel with the other positioned behind the wheel. A pair of lengths of standard-size framing lumber are slidably positioned within the horizontal slots with the lumber extending between the wheel assemblies to form a load platform. The wheel assemblies are movable toward and away from each other on the lumber to accommodate various sizes of loads. Each wheel assembly also includes a pair of vertically oriented slots to accommodate a corresponding optional pair of vertically oriented pieces of lumber. The vertically oriented lumber allows the cradle to carry and support taller loads than would be possible with the wheel assemblies alone. The horizontally oriented slots are positioned substantially below the axis of rotation of the wheels for enhanced stability and the cradle has a turning radius equal to the spacing between the two wheels. When the cradle is disassembled, it can be conveniently stored.
摘要翻译：负载托架包括一对轮组件，每个轮组件容纳可在其中旋转的自行车型轮。每个车轮组件包括一对水平槽，其中一个位于车轮的前方，另一个定位在车轮后面。标准尺寸框架木材的一对长度可滑动地定位在水平槽内，木材在轮组件之间延伸以形成负载平台。车轮组件可在木材上朝向和远离彼此移动以适应各种尺寸的负载。每个车轮组件还包括一对垂直定向的槽，以容纳相应的可选的一对垂直取向的木材片。垂直取向的木材允许托架承载和支撑比单独的轮组件可能更高的载荷。水平方向的槽大致位于车轮的旋转轴线的下方，以增强稳定性，并且支架的转弯半径等于两个车轮之间的间距。当拆卸支架时，可以方便地存放。

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