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    • 3. 发明授权
    • Reversible ratchet wrench
    • 可逆棘轮扳手
    • US07299720B1
    • 2007-11-27
    • US11335962
    • 2006-01-20
    • George W. SchultzBilly J. BurkesRichard L. Hopper, Jr.
    • George W. SchultzBilly J. BurkesRichard L. Hopper, Jr.
    • B25B13/46B25B33/00
    • B25B13/463
    • A reversible ratchet including a ratchet body having a drive member for applying torque to a workpiece. The ratchet body defining a receptacle and a ratchet assembly disposed in the receptacle. The ratchet assembly including a rotatable gear, a first pawl and a second pawl, where the first and second pawls are engageable with the gear. The ratchet includes a reverse lever coupled to the first and second pawls and movable between a first position and a second position. The first pawl engaging the gear in the first position of the reverse lever, and the second pawl engaging the gear in the second position of the reverse lever. The ratchet also includes a cover plate connected to the ratchet body. The cover plate includes a spacer that engages the reverse lever to allow movement of the reverse lever substantially only between the first and second positions.
    • 一种可逆棘轮,包括具有用于向工件施加扭矩的驱动构件的棘轮主体。 所述棘轮主体限定了插座和设置在所述插座中的棘轮组件。 棘轮组件包括可旋转齿轮,第一棘爪和第二棘爪,其中第一棘爪和第二棘爪可与齿轮接合。 棘轮包括联接到第一和第二棘爪并可在第一位置和第二位置之间移动的反向杆。 第一棘爪在反向杆的第一位置接合齿轮,而第二棘爪在反向杆的第二位置接合齿轮。 棘轮还包括连接到棘轮主体的盖板。 盖板包括间隔件,该间隔件接合反向杆以允许反向杆基本上仅在第一和第二位置之间移动。