Patent Number: 6,308,594

Title: Ratchet wrench structure

Abstract: A ratchet wrench structure includes a wrench head defining a receiving hole, the receiving hole having one side defining a receiving chamber, a ratchet wheel rotatably mounted in the receiving hole and having an outer periphery provided with a plurality of engaging teeth, a pawl pivotally mounted in the receiving chamber to rotate through a small angle and having a first side provided with a first tooth meshing with the engaging teeth of the ratchet wheel and a second side provided with a second tooth meshing with the engaging teeth of the ratchet wheel, a first locking plate mounted in the receiving chamber and rested on the first side of the pawl, a first elastic member mounted in the receiving chamber and pressed between the first locking plate and an inner wall of the receiving chamber, a second locking plate mounted in the receiving chamber and rested on the second side of the pawl, and a second elastic member mounted in the receiving chamber and pressed between the second locking plate and the inner wall of the receiving chamber.

Inventors: Cheng; Chin-Shun (Tai-Ping City, Taichung Hsien, TW)

Assignee:

International Classification: B25B 13/00 (20060101); B25B 13/46 (20060101); B25B 013/46 ()

Expiration Date: 10/30/2018