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    Opening assist mechanism for a folding knife
    1.
    发明申请
    Opening assist mechanism for a folding knife 审中-公开
    打开折叠刀的辅助机构

    公开(公告)号：US20050072004A1

    公开(公告)日：2005-04-07

    申请号：US10678768

    申请日：2003-10-03

    申请人： Fred Carter

    发明人： Fred Carter

    IPC分类号： B26B1/02

    CPC分类号： B26B1/02

    摘要： A folding knife including an elongate handle and blade. A tang of the blade is pivotally connected to the handle proximate the front end of said handle such that the blade is rotatable about a rotational axis. A pin is positioned on and extends from the tang of the blade. The pin is spaced apart from the rotational axis. The folding knife also includes a bias element housed within the blade cavity. The bias element has a free end. In operation, a portion of the bias element is in continuous urging contact with the pin to assist in the movement of the blade into its opening position.

    摘要翻译： 折叠刀包括细长手柄和刀片。 叶片的柄部可靠地靠近所述手柄的前端枢转地连接到手柄，使得叶片能够围绕旋转轴线旋转。 销定位在刀片的柄脚上并从刀片的柄部延伸。 销与旋转轴线间隔开。 折叠刀还包括容纳在刀片腔内的偏置元件。 偏置元件具有自由端。 在操作中，偏压元件的一部分与销连续推动接触以帮助叶片进入其打开位置。

    Leaf spring assisted opener
    5.
    发明申请
    Leaf spring assisted opener 失效

    公开(公告)号：US20060059694A1

    公开(公告)日：2006-03-23

    申请号：US10944022

    申请日：2004-09-17

    申请人： Fred Carter

    发明人： Fred Carter

    IPC分类号： B26B1/02

    CPC分类号： B26B1/044

    摘要： A leaf spring assisted opener for a folding tool such as a folding knife. The folding tool includes tool pivotally carried by a handle. The tool defines a tang at the proximal end. A leaf spring is carried within the handle for assisting in the opening of the tool. The leaf spring defines an elongated, arcuate configuration having a distal end adapted to engage the tang of the tool. When in the closed orientation, the leaf spring is biased toward the tang of the tool, thus holding it in the closed position. The tang of the tool defines a shoulder strategically positioned such that as the tool is pivoted from the closed position, the leaf spring eventually engages the shoulder and begins to release the tension in the leaf spring. At this point, the tension in the spring serves to open the tool the remainder of the rotation.