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    • 5. 发明授权
    • Clip with retractable operating levers
    • 夹紧可伸缩操作杆
    • US5946778A
    • 1999-09-07
    • US131769
    • 1998-08-11
    • Ronald M. McGarity
    • Ronald M. McGarity
    • B42F1/06B42F1/00
    • B42F1/06Y10T24/203Y10T24/44692Y10T24/4488
    • A spring clip has jaws connected by a throat that provides spring action to urge the jaws together, and levers on each jaw that can be extended to provide a mechanical advantage for opening the jaws, or can be retracted so the levers are juxtaposed on the jaws. The jaws have bosses thereon, and openings are defined in the bosses for receiving the levers. The openings have tongues along their sides, and the levers define grooves along their sides so the levers can slide smoothly into and out of the opening. Detents provide stops at retracted and extended positions of the levers, and a screw riding in a slot provides a positive stop to prevent inadvertent removal of the lever.
    • 弹簧夹具有由喉部连接的钳口,其提供弹簧作用以将钳口一起推动,并且每个钳口上的杠杆可以被延伸以提供用于打开钳口的机械优点,或者可以缩回,使得杠杆并置在钳口 。 钳口在其上具有凸起,并且在凸台中限定开口以接收杠杆。 这些开口沿着它们的侧面具有舌形,并且杠杆沿着它们的侧面限定凹槽,使得杠杆可以平滑地滑入和离开开口。 挡板在扳手的缩回和伸出位置处提供停止,并且在槽中的螺钉提供正向止挡,以防止意外地移除杠杆。
    • 6. 发明授权
    • Cover folder and method of constructing the same
    • 封面文件夹及其构造方法
    • US5865469A
    • 1999-02-02
    • US882619
    • 1997-06-25
    • Marybeth Chin
    • Marybeth Chin
    • B42F9/00B42D3/10B42D17/00B42F1/06
    • B42F9/008
    • A cover folder which includes a binding bar and a cover, the binding bar being slidably and removably mounted on the cover. The binding bar includes a pair of oppositely facing sidewalls which define the sides of an interior slot. Each sidewall includes an angled barb which projects out in a direction towards its opposing sidewall. The cover comprises a sheet folded over on itself to form a pair of panels having a common folded edge, the body of each of the pair of panels being separable from one another. A plurality of semicircular cutouts are formed on each panel. In use, the cover is inserted into the interior slot of the binding bar such that at least some of the cutouts on each panel engage the barbs so that the binding bar will not slip off the cover when the cover is opened to insert sheets or examine sheets already inserted.
    • 一个包括一个装订杆和一个盖子的盖子文件夹,该装订杆可滑动地并可拆卸地安装在该盖上。 装订杆包括限定内槽的侧面的一对相对的侧壁。 每个侧壁包括一个倾斜的倒钩,它朝向其相对侧壁的方向突出。 盖子包括折叠在其上的片材以形成具有共同折叠边缘的一对面板,该对面板中的每一个的主体可彼此分离。 在每个面板上形成多个半圆形切口。 在使用中,盖被插入到装订杆的内部狭槽中,使得每个面板上的至少一些切口接合倒钩,使得当盖打开以插入片材或检查时,装订杆不会从盖子上滑落 表已经插入。