Patent ID: 9360060
Filing Date: 2016-06-07
CPC Classification: B25B,F16D

Claim Text:
1. A ratchet wrench comprising: a body; a driving head extending rotatably through said body; a pawl unit contactable with said driving head for changing a rotational direction of the driving head; a gear co-rotatable with said pawl unit relative to said body about a Z-axis between a positive-direction position and a reverse-direction position; and a direction switching device including: wherein each of said switching members is configured as a rack, and has a meshing end engageable with said gear, and a driven end contactable with said ring unit; and wherein said switching unit further includes a rotary valve disposed pivotally on said body and disposed between said ring unit and said switching members, said rotary valve including a follower surface facing said ring unit, and two driving portions that are disposed respectively at two composite lateral ends of said rotary valve and that are contactable respectively with said driven ends of said switching members when no external force is applied to said ring unit.