Patent ID: 7827887

Claim:
A ratchet wrench comprising a wrench body comprising a handle comprising a front end; a head being formed on the front end of the handle and comprising a front end; a rear end; a first side; a second side; and an inner surface; an opening being defined in the front end of the head and comprising a forward area; a backward area; a central area; a first side; a second side; and a peripheral surface being the inner surface of the head; a first jaw being formed on the head, corresponding to the first side of the opening and comprising an inner surface having a central area; a front end; and a rear end; a second jaw being formed on the head, corresponding to the second side of the opening and comprising an inner surface having a front end; and a rear end; a curved slot being formed in the inner surface of the head corresponding to the peripheral surface of the opening and comprising a central area; a forward area; a backward area; an inner surface; at least one side; and at least one side wall being formed on the at least one side of the curved slot; a ratcheting jaw being a curved block capable of sliding forward and retracting backward relative to the curved slot and comprising a forward area; a backward area; an inner surface; an outer surface; and an engaging area being formed on the backward area of the ratcheting jaw and comprising a backward area; an inner surface being projecting inward from the backward area of the curved slot and comprising an engaging surface being formed on the inner surface of the engaging area and comprising a backward area; and an abutting surface being formed on the backward area of the engaging area; and a spring being abutted between the wrench body and the ratcheting jaw and providing a force for driving the ratcheting jaw sliding forward and retracting backward relative to the curved slot, wherein the ratcheting jaw further has a guide hole being a curved hole and having a backward area; and a forward area; and the side wall further has a pin being mounted on the side wall and penetrating through the curved slot and the forward area of the guide hole.