Ratchet wrench with positioning structure
AssigneeYih Cheng Factory Co., Ltd.
InventorChih-Hung CHIEN
Life of this patent
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Abstract
A ratchet wrench with a positioning structure includes a drive bar, a rotary head, and a locking button. The drive bar includes a fork arm, a fork opening formed at the 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 located at the rotary head and passing through two ends of the fork arm. The pivot axis is parallel 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 transversely movable in association with movement of the latch bar.
Claims13
A ratchet wrench with a positioning structure, comprising:
- a drive bar, the drive bar including a fork arm, a fork opening formed at the fork arm, an axial hole communicating with the fork opening, and a radial hole communicating with the axial hole;
- a rotary head pivotally connected to two ends of the fork arm, the rotary head including a round housing, a ratchet apparatus disposed inside the round housing, a plurality of positioning recesses disposed on the round housing, and a pivot axis located at the rotary head and passing through the two ends of the fork arm, wherein the pivot axis is parallel to the radial hole;
- and
- a locking button, the locking button including a locking rod disposed in the radial hole and a latch bar disposed in the axial hole, the locking rod being transversely movable in association with movement of the latch bar, the latch bar being engaged with or disengaged from any of the positioning recesses.
Dependencies are inferred from the claim text.