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    • 3. 发明授权
    • Two-stroke tool
    • 二冲程工具
    • US07886570B2
    • 2011-02-15
    • US12370134
    • 2009-02-12
    • John G. ClelandJoseph R. Lemmens
    • John G. ClelandJoseph R. Lemmens
    • B25B7/12B21J9/18
    • B25B7/12B25B27/10B26B17/02
    • A hand tool comprising first and second jaw members and first and second handle members, the first handle and both jaw members being cooperatively connected by a force multiplying linkage system. A force applied to the first handle drives the linkage system to close the jaws to crimp or cut a work piece. In one embodiment of the invention, a link in the linkage system has a first end movable between first and second positions relative to its first end pivot pin wherein the first and second jaw members close a first distance when the link first end is in the first position and close a second distance when the link first end is in the second position. Other embodiments comprise other step-wise changes in distance between force-bearing pivot locations in the linkage system to close the jaws progressive distances with successive closures of the first and second handles.
    • 一种手动工具,包括第一和第二钳口构件以及第一和第二手柄构件,第一手柄和两个钳口构件通过力乘法联动系统协作地连接。 施加到第一把手的力驱动连杆系统以闭合钳口以压接或切割工件。 在本发明的一个实施例中,连杆系统中的连杆具有相对于其第一端枢转销在第一和第二位置之间移动的第一端,其中当连杆第一端处于第一位置时,第一和第二钳口构件接合第一距离 并且当链接第一端处于第二位置时闭合第二距离。 其他实施例包括在连杆系统中的承力枢转位置之间的距离中的其他逐步变化,以通过第一和第二把手的连续闭合来闭合钳口渐进距离。
    • 4. 发明授权
    • Two-stroke tool
    • 二冲程工具
    • US07503201B2
    • 2009-03-17
    • US11386643
    • 2006-03-22
    • John G. ClelandJoseph R. Lemmens
    • John G. ClelandJoseph R. Lemmens
    • B25B7/12B21J9/18
    • B25B7/12B25B27/10B26B17/02
    • A hand tool comprising first and second jaw members and first and second handle members, the first handle and both jaw members being cooperatively connected by a force multiplying linkage system. A force applied to the first handle drives the linkage system to close the jaws to crimp or cut a work piece. In one embodiment of the invention, a link in the linkage system has a first end movable between first and second positions relative to its first end pivot pin wherein the first and second jaw members close a first distance when the link first end is in the first position and close a second distance when the link first end is in the second position. Other embodiments comprise other step-wise changes in distance between force-bearing pivot locations in the linkage system to close the jaws progressive distances with successive closures of the first and second handles.
    • 一种手动工具,包括第一和第二钳口构件以及第一和第二手柄构件,第一手柄和两个钳口构件通过力乘法联动系统协作地连接。 施加到第一把手的力驱动连杆系统以闭合钳口以压接或切割工件。 在本发明的一个实施例中,连杆系统中的连杆具有相对于其第一端枢转销在第一和第二位置之间移动的第一端,其中当连杆第一端处于第一位置时,第一和第二钳口构件接合第一距离 并且当链接第一端处于第二位置时闭合第二距离。 其他实施例包括在连杆系统中的承力枢转位置之间的距离中的其他逐步变化,以通过第一和第二把手的连续闭合来闭合钳口渐进距离。
    • 7. 发明授权
    • Pipe ring crimping tool
    • 管环压接工具
    • US5267464A
    • 1993-12-07
    • US813743
    • 1991-12-30
    • John G. Cleland
    • John G. Cleland
    • B25B7/12B25B27/14H01R43/042B21D41/04
    • H01R43/042B25B27/146B25B7/12B25B7/123Y10T29/5367
    • A pipe ring crimping tool providing significant mechanical advantage for applying force with a sufficient jaw opening and minimal external dimensions, minimal handle span and minimal handle length throughout the operational cycle. The tool is compact and lightweight to allow reach and access of the jaws into confined spaces. The tool utilizes a link and pin mechanism to translate the operator hand force exerted on the handles into a crimping force in a manner which allows for smooth application of operator hand force while increasing the crimping force as the pipe ring is compressed. The tool configuration by minimizing the handle spread, allows for single-handed operation of the tool or closely held two-handed operation. The tool includes a link mechanism designed to provide smooth crimping force and to preclude tool locking up and excess friction. The handles move laterally in opening the jaws to their maximum spread and are closed rotationally when crimping the pipe ring.
    • 管环压接工具提供了显着的机械优势,可以在整个操作循环中提供足够的钳口开口和最小的外部尺寸,最小的手柄跨度和最小的手柄长度来施加力。 该工具结构紧凑,重量轻,可以将夹爪伸入并进入密闭空间。 该工具利用连杆和销钉机构将操作者手柄上的手力转化为压接力,使得能够平稳地施加操作者的手力同时在管环压缩时增加压接力。 通过最小化手柄传播的刀具配置,允许单手操作工具或紧密握持双手操作。 该工具包括一个链接机构,设计用于提供平滑的压接力,并防止工具锁定和过度摩擦。 手柄横向移动,将夹爪打开至最大间隙,并在压紧管环时旋转闭合。
    • 9. 发明申请
    • TWO-STROKE TOOL
    • 两手工具
    • US20090145269A1
    • 2009-06-11
    • US12370134
    • 2009-02-12
    • John G. ClelandJoseph R. Lemmens
    • John G. ClelandJoseph R. Lemmens
    • B25B7/12B25B7/02
    • B25B7/12B25B27/10B26B17/02
    • A hand tool comprising first and second jaw members and first and second handle members, the first handle and both jaw members being cooperatively connected by a force multiplying linkage system. A force applied to the first handle drives the linkage system to close the jaws to crimp or cut a work piece. In one embodiment of the invention, a link in the linkage system has a first end movable between first and second positions relative to its first end pivot pin wherein the first and second jaw members close a first distance when the link first end is in the first position and close a second distance when the link first end is in the second position. Other embodiments comprise other step-wise changes in distance between force-bearing pivot locations in the linkage system to close the jaws progressive distances with successive closures of the first and second handles.
    • 一种手动工具,包括第一和第二钳口构件以及第一和第二手柄构件,第一手柄和两个钳口构件通过力乘法联动系统协作地连接。 施加到第一把手的力驱动连杆系统以闭合钳口以压接或切割工件。 在本发明的一个实施例中,连杆系统中的连杆具有相对于其第一端枢转销在第一和第二位置之间移动的第一端,其中当连杆第一端处于第一位置时,第一和第二钳口构件接合第一距离 并且当链接第一端处于第二位置时闭合第二距离。 其他实施例包括在连杆系统中的承力枢转位置之间的距离中的其他逐步变化,以通过第一和第二把手的连续闭合来闭合钳口渐进距离。