One-way ratchet wrench has facetted outer face on ratchet ring engaged by sprung locking bar in one direction

摘要

The one-way ratchet wrench has a housing (10) with a non-threaded ratchet ring (20) and a switch (30). The housing has a receiving chamber (11) connected to the switch chamber (13). The ratchet ring has a multiple facetted outer face (21) engaged by the bar (31) of the switch to prevent rotation in one direction. The bar is retracted against a spring (32) to allow rotation in the opposite direction.