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1. 发明授权

US5699630A Snowshoe with front and rear cleats 失效
标题翻译：雪鞋与前后防滑板
公开(公告)号：US5699630A
公开(公告)日：1997-12-23
申请号：US514781
申请日：1995-08-14
申请人： Perry A. Klebahn , James D. Klingbeil
发明人： Perry A. Klebahn , James D. Klingbeil
IPC分类号： A63C13/00 , A43B5/04
CPC分类号： A63C13/003 , A63C13/005 , A63C13/006 , A63C13/001
摘要： An improved snowshoe includes a frame at least partially covered by a membrane, a front claw, and biased mounting means for pivotally attaching the front claw to the frame at an offset relative to a neutral frame plane. The biased mounting permits the user's foot to pivot the front claw downward increasing friction with the underlying terrain, but also urges the snowshoe to pivot toward an angle restoring the offset when the snowshoe is lifted. This results in the back of the snowshoe being urged downward, minimizing snow throwing by the snowshoe back, without producing dragging. At the same time, the front of the snowshoe is urged upward, tending not to trip the user. The biased mounting means preferably includes at least one resilient strap attached to the frame and, at the strap center, to the front claw. The preferred embodiment includes a rear cleat mounted to the upper membrane surface, and including at least one wall projecting downward through the membrane. This rear cleat minimizes snowshoe skating and allows the snowshoe to be used confidently downhill. Alternatively, a rear cleat may be mounted to the back and/or sides of the snowshoe frame. Further, a rear cleat according to the present invention may be retrofitted to an existing snowshoe to minimize rear sway and allow confident downhill use. Alternatively, a rear cleat according to the present invention may be retrofitted to the user's boot.
摘要翻译：改进的雪鞋包括至少部分地被膜覆盖的框架，前爪和用于相对于中立框架平面以偏移枢转地将前爪枢转地附接到框架的偏置安装装置。偏置的安装允许使用者的脚将前爪向下枢转以增加与下面的地形的摩擦力，但是还促使雪鞋在雪靴被提升时朝着恢复偏移的角度枢转。这导致雪橇的后面被向下推动，最大限度地减少了雪橇后退的积雪，而不会产生拖曳。同时，雪鞋的前面被向上推，倾向于不让使用者跳闸。偏置的安装装置优选地包括附接到框架的至少一个弹性带，并且在带中心处包括至前爪。优选实施例包括安装到上膜表面的后防滑板，并且包括至少一个向下突出穿过膜的壁。这种后挡板最大限度地减少了雪鞋滑冰，并允许雪鞋自信地使用下坡。或者，后防滑板可以安装到雪鞋框架的后部和/或侧面。此外，根据本发明的后防滑板可以被改装到现有的雪橇上，以最小化后摆动并且允许自下而上的使用。或者，根据本发明的后防滑钉可以被改装到使用者的靴子上。

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