Force limit wrench used to load and unload work tip of osteotome machine

• Main Authors: WU XUNXIAN, WEN GUOFENG, DU XIAOSHU, WANG YAN
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2012
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The utility model discloses a force limit wrench used to load and unload a work tip of an osteotome machine. The wrench is formed by a cover plate, a wrench cover, a wrench seat and a torque transmission apparatus. A wrench position port is arranged at a position of an axle center of the wrench cover. The wrench cover is sleeved in the wrench seat from a bottom of the wrench cover. The torque transmission apparatus is arranged between rotation surfaces of the wrench cover and the wrench seat. The flat cyclic type cover plate covers on an upper part of the wrench seat. The torque transmission apparatus is a ratchet body. The ratchet body is a one body structure which is formed by a circular ring wheel ring and a plurality of wheel pawls arranged on an outer ring wall of the wheel ring as a surrounding mode. An inner ring wall of the wheel ring of the ratchet body is nested on the wrench cover. The wheel pawls of the ratchet body are engaged with inner ratchet holes arranged on an inner wall of the wrench cover