Patent Number: 6,305,247

Title: Ratchet wrench structure

Abstract: A ratchet wrench structure includes a wrench body having a head portion defining a receiving space and a receiving chamber, an annular groove defined in the upper edge of the receiving space, an annular toothed block secured in the receiving space, a locking block pivotally mounted in the receiving chamber and provided with a plurality of engaging teeth mating with the annular toothed block, a spring mounted in the receiving chamber and urged between the inner wall of the receiving chamber and a rear end of the locking block, a cover mounted in the receiving chamber and defining an arcuate groove, and a C-shaped snap secured in and retained by the annular groove of the wrench body and the arcuate groove of the cover, and rested on the annular toothed block.

Inventors: Chen; Ching (Tai-Ping City, Taichung Hsien, TW)


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

Expiration Date: 10/23/2018