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    • 4. 发明申请
    • In-situ blade sharpener
    • 原位刀片磨刀机
    • US20050245175A1
    • 2005-11-03
    • US10837118
    • 2004-05-03
    • David Combs
    • David Combs
    • B24B1/00B24B3/36B24B21/00
    • B24B3/36B24B21/002
    • A blade sharpening device easily connectable to a source of rotating power, such as a battery powered hand drill, and having a housing, a selectably locatable pitch adjuster and a clamping mechanism means for maintaining the housing and grinding surfaces of the sharpening device at a desired grinding angle. The housing extends completely over the width of the rotatable drums wrapped with grinding surface. By clamping the device directly to the blade and stabilizing the device in this position, the operator has greater control and stability of the sharpener when in use on, for example, a lawn mower blade which is still attached to the lawn mower drive shaft at the underside of the lawn mower housing. This on-site, in-place blade sharpening capability eliminates the necessity of removing the blade for its sharpening, while still allowing easy and safe sharpening of the blade.
    • 刀片磨刀装置可容易地连接到旋转动力源,例如电池供电的手钻,并且具有壳体,可选择定位的俯仰调节器和用于将磨削装置的壳体和磨削表面保持在期望的夹紧机构装置 研磨角度。 壳体完全延伸在被研磨表面包裹的可旋转鼓的宽度上。 通过将装置直接夹紧在叶片上并将装置稳定在该位置,当使用在例如割草机割草机叶片上时,操作者具有更大的控制和稳定性,该草坪割草机叶片仍然附着在割草机驱动轴上 割草机房屋下面。 这种现场的刀片磨削能力消除了刀片除刃磨削的必要性,同时仍然允许刀片的易于安全的磨削。
    • 7. 发明授权
    • Flywheel powered bicycle with an articulated rider
    • 飞轮动力自行车与铰接骑手
    • US06517408B1
    • 2003-02-11
    • US09745197
    • 2000-12-22
    • Jeffrey RehkemperDavid Combs
    • Jeffrey RehkemperDavid Combs
    • A63H2902
    • A63H17/16A63H29/20
    • In accordance with the present invention there is disclosed a toy bicycle that includes a rear wheel assembly rotatably connected to the bicycle. The rear wheel assembly encloses a flywheel and a means of interconnecting the flywheel and the rear wheel. The interconnecting means serves to energize the flywheel in response to a rotational force applied to the rear wheel and when the rotational force is removed the interconnecting means will continue to rotate the rear wheel in response to the inertia of the energized flywheel. An articulated rider, mounted to the seat of the bicycle, includes hands rotatably attached to handlebars and feet attached to pedals of the bicycle. When the bicycle is in motion, the articulated rider appears to pedal and operate the bicycle. The bicycle also includes a charger that engages and rotates the rear wheel of the bicycle and as such, energizes the flywheel.
    • 根据本发明,公开了一种玩具自行车,其包括可旋转地连接到自行车的后轮组件。 后轮组件包围飞轮和互连飞轮和后轮的装置。 互连装置用于响应于施加到后轮的旋转力来激励飞轮,并且当去除旋转力时,互连装置将响应于通电飞轮的惯性而继续旋转后轮。 安装在自行车座椅上的铰接骑手包括可旋转地附接到连接到自行车踏板上的手把和脚的手。 当自行车运动时,铰接的骑手似乎踏板并操作自行车。 自行车还包括使自行车的后轮接合和旋转的充电器,并因此使飞轮通电。