| 摘要 |
A ratchet driving mechanism including a main body, an adjusting ring and a coupling member. The main body is formed with a rotary seat with two retractably outward extending detents. The detents can extend into an adjusting groove of the adjusting ring and engage with teeth of toothed inner circumference of a hoop section of the coupling member. By means of the adjusting ring, the operation direction of the detents can be adjusted. The detents have greater strength and applicable to those situations necessitating greater torque.
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