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    • 7. 发明授权
    • Reversible open end wrench having retaining property
    • 具有保持性能的可逆开口扳手
    • US08261640B2
    • 2012-09-11
    • US12647378
    • 2009-12-24
    • Arthur Wu
    • Arthur Wu
    • B25B13/28
    • B25B13/08B25B13/46B25B23/10
    • A reversible open end wrench includes a handle, a head and a retainer. The head includes a first jaw, a second jaw and an extension section. The jaws and the extension section define a driving area therebetween. The first jaw has a first engaging surface and a distal end. The second jaw has a second engaging surface. The horizontal distance between the two engaging surfaces is s. The retainer is disposed on the distal end and has a retaining end extending toward the driving area. The retaining end is movable between a first position and a second position. As the retaining end locates at the first position, the horizontal distance between the retaining end and the second engaging surface is smaller than s. As the retaining end locates at the second position, the horizontal distance between the retaining end and the second engaging surface is no smaller than s.
    • 可逆的开口扳手包括手柄,头部和保持器。 头部包括第一钳口,第二钳口和延伸部分。 夹爪和延伸部分限定了它们之间的驱动区域。 第一钳口具有第一接合表面和远端。 第二钳口具有第二接合表面。 两个接合表面之间的水平距离为s。 保持器设置在远端上并且具有朝向驱动区域延伸的保持端。 保持端可在第一位置和第二位置之间移动。 当保持端位于第一位置时,保持端和第二接合表面之间的水平距离小于s。 当保持端位于第二位置时,保持端和第二接合表面之间的水平距离不小于s。
    • 8. 发明授权
    • Wrench with movable jaw suitable for both Metric and English systems
    • 适用于公制和英制系统的活动钳的扳手
    • US07748299B2
    • 2010-07-06
    • US11987591
    • 2007-12-03
    • Arthur Wu
    • Arthur Wu
    • B25B13/22
    • B25B13/12B25B13/22
    • A wrench includes a fixed jaw and a sliding jaw which has a cylindrical guide portion and two toothed surfaces are defined in axial direction of the portion. The two toothed surfaces are made by Metric and English systems respectively. Two pawls are engaged with a through hole in the head each include an engaging surface in a first end thereof and the engaging surface is composed of teeth which are removably engaged with on of the two toothed surfaces. The two respective engaging surfaces of the two pawls are made by Metric and English systems respectively. An operation unit controls the two pawls to be engaged with or disengaged from the two toothed surfaces of the sliding jaw.
    • 扳手包括固定夹爪和滑动夹爪,其具有圆柱形引导部分,并且在该部分的轴向方向上限定有两个齿形表面。 两个齿面分别由公制和英制制成。 两个棘爪与头部中的通孔接合,每个爪在其第一端中包括接合表面,并且接合表面由可移除地与两个齿形表面接合的齿组成。 两个爪的两个相应的接合表面分别由公制和英制制成。 操作单元控制两个棘爪与滑动夹爪的两个齿形表面接合或脱开。