Patent ID: 8113092

Claim:
A push-type ratchet wrench, comprising: a handle having two ends, wherein at least one of the two ends has a head, the head is formed with a chamber with an opening on one side of the head, the chamber is composed of a first accommodating slot and a second accommodating slot communicating with each other, and the other side of the head opposite to the one side of the head is formed with a long slot opening communicating with the second accommodating slot; a driving body disposed in the first accommodating slot of the chamber of the head, wherein a periphery of the driving body is formed with a series of pawls, and the driving body is for embedding and fitting with a workpiece; an engaging block disposed on one side of the driving body disposed in the first accommodating slot of the head, wherein an internally curved surface of the engaging block is formed with pawls corresponding to the pawls of the driving body, a middle of a rear edge of the engaging block is formed with a clamping slot, and two sidewall surfaces of the clamping slot are slopped conical surfaces expanding outwards; and a control member disposed in the second accommodating slot of the chamber of the head, wherein the control member has a base disposed in the second accommodating slot and an actuating block pivotally connected to the base, wherein the base has an inserting slot, in which the actuating block may be inserted and swung, a plurality of positioning slots is formed on a wall surface of the inserting slot, a cross slot, across which the actuating block may be placed, is formed on the base, a lower half section of the actuating block may be placed across the cross slot of the base, an upper half section of the actuating block projects out of the long slot opening of the head, the actuating block has a projecting extension inserting through the inserting slot, a positioning steel ball, which may be elastically moved by an elastic member, is disposed on the actuating block, the actuating block may be restricted relatively to the positioning slot of the base using the positioning steel ball, a hole is formed at an end portion of the projecting extension of the actuating block, an actuating sheet is embedded into the hole, and the actuating sheet penetrating through the base is clamped in the clamping slot of the engaging block so that the push-type ratchet wrench that may be conveniently switched and operated is constructed.