公开(公告)号：US06415691B1

公开(公告)日：2002-07-09

申请号：US09941209

申请日：2001-08-29

Applicant: Mu Lin Chen

Inventor： Mu Lin Chen

IPC: B25B1346

CPC classification number: B25B13/463

Abstract: A ratchet wrench structure includes a wrench body defining a receiving hole receiving a ratchet wheel and a receiving recess receiving a locking pawl, a resting block, and two elastic members. The locking pawl has a first side formed with locking teeth engaging the engaging teeth of the ratchet wheel, and a second side formed with an arcuate inner face. The resting block has a first end rested on the arcuate resting face of the receiving recess, and a second end formed with a resting end rested on the arcuate inner face of the locking pawl. The two elastic members received in two sides of the resting block, wherein one elastic member is rested on the arcuate resting face of the receiving recess, and the other elastic member is rested on the arcuate inner face of the locking pawl.

Abstract translation: 棘轮扳手结构包括扳手主体，其限定容纳棘轮的容纳孔和容纳锁定爪的容纳凹槽，静止块和两个弹性构件。 锁定爪具有形成有与棘轮的啮合齿啮合的锁定齿的第一侧和形成有弧形内表面的第二侧。 所述搁置块具有搁置在所述接收凹部的弧形搁置面上的第一端，并且形成有搁置在所述锁定爪的弧形内表面上的搁置端的第二端。 两个弹性构件容纳在搁置块的两侧，其中一个弹性构件搁置在容纳凹部的弧形搁置面上，另一个弹性构件搁置在锁定爪的弓形内表面上。