US Patent 10118278 Ratchet wrench including retaining ring

A tool including a wrench body having a first drive end at a first end of the wrench body, and an aperture in the first drive end that includes a shoulder or retaining web extending into the aperture. A ratchet gear including a receiving portion adapted to engage a work piece for providing torque to the work piece, and a ring groove is disposed in the aperture with the receiving portion and the ring groove on opposite sides of the shoulder. A retaining ring is disposed in the ring groove and adapted to retain the ratchet gear in the aperture. The retaining ring limits offset loading that may be applied to a cover plate and/or retention screws when the tool is being used.