Ratchet wrench has ratchet head having retainer area in which hollow cylinder and both ratchets are accommodated whereby inner wall of retainer area having teeth is provided at which pawl set is engaged for high torque

摘要

Ratchet wrench with two torques, has ratchet head (10), gear shaft (20), grab handle (30), hollow cylinder (40), drive part (50), pawl set for low torque (60), pawl set for high torque (70) and two sprockets (80). The ratchet head has a retainer area (11) in which the hollow cylinder and both sprockets are accommodated and an inner wall of retainer area having teeth (12) is provided at which a pawl set is engaged for high torque. The gear shaft has teeth (21) on outer side of the upper end and can be plugged with lower end into grab handle. The pawl set for low torque consists of two pawls (61), two spring seats (62) and two springs (63) whereby both pawls have a gear segment which engage into two sprockets. The two sprockets have teeth (81) at inner side and opposite front side in which the gear segment of pawls of pawl sets engage for low torque.