RATCHET WRENCH HAVING POSITIONING MECHANISM
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United States of America Patent
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N/A
Issued Date -
Dec 21, 2017
app pub date -
Jun 17, 2016
filing date -
Jun 17, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A ratchet wrench having a positioning mechanism includes a drive bar, a rotary head, and a locking button. The drive bar includes a fork arm, an axial hole communicating with the fork opening, and a radial hole communicating with the axial hole. The rotary head is pivotally connected to two ends of the fork arm; the rotary head includes a round housing, a plurality of positioning recesses disposed on the round housing, and a pivot axis passing through rotary head. The pivot axis is perpendicular to the radial hole. The locking button includes a locking rod disposed in the radial hole and a latch bar disposed in the axial hole. The locking rod is radially movable in association with movement of the latch bar, and the latch bar is engaged with or disengaged from any of the positioning recesses.
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