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1. 发明授权

US06513815B2 In-line racing skate propulsion device 失效
标题翻译：在线溜冰推进装置
公开(公告)号：US06513815B2
公开(公告)日：2003-02-04
申请号：US09742952
申请日：2000-12-21
申请人： Douglas Glass , Ty Bennett Daughtridge , Albert Merrell Kaiser
发明人： Douglas Glass , Ty Bennett Daughtridge , Albert Merrell Kaiser
IPC分类号： A63C1706
CPC分类号： A63C17/065
摘要： An in-line roller skate propulsion device comprising a lever and a wheel frame having a top, a bottom, a plurality of wheel axle holes near the bottom, a pivot connection near the top for pivotally connecting the lever to the wheel frame, and a hole and shaft combination for connecting a resilient member. The lever's pivot connection is located forward of the center of the lever. As the lever rotates around its pivotal connection to the wheel frame, the resilient member is stretched. Upon release of the rotating force, the resilient member returns the lever to a point of contact with the wheel frame or a stopping piece attached thereto. This action allows a skater to achieve greater speeds than with regular in-line roller skates while exerting the same amount of energy.
摘要翻译：一种在线溜冰鞋推进装置，包括一个杠杆和一个车轮框架，该车架具有顶部，底部，靠近底部的多个轮轴孔，靠近顶部的枢转连接件，用于将杠杆枢转地连接到车轮框架;以及孔和轴组合，用于连接弹性构件。杠杆的枢轴连接位于杠杆中心的前方。随着杠杆围绕其与框架的枢转连接旋转，弹性构件被拉伸。在释放旋转力时，弹性部件将杠杆返回到与轮架或与其连接的止动件的接触点。这个动作允许溜冰者在施加相同的能量的同时，比通常的在线溜冰鞋获得更大的速度。

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