Clutch for power tool
AssigneeMighty Seven International Co., Ltd.
InventorJohnson Chang
Life of this patent
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Abstract
A clutch is disclosed for a power tool. The clutch includes a disc, a drum, at least one spring and at least one pin. The disc defines at least one arched groove comprising a floor and an inclined wall. The drum defines at least one eccentric hole. The spring is put in the eccentric hole. An end of the pin is put in the eccentric hole and pushed by means of the spring. An opposite end of the pin is exposed from the eccentric hole for pushing the inclined wall before a predetermined value of torque is reached and for sliding on the inclined wall after the predetermined value of torque is reached.
Claims20
A clutch for a power tool, the clutch comprising:
- a disc defining at least one arched groove comprising a floor and an inclined wall;
- a drum defining at least one eccentric hole;
- at least one spring put in the eccentric hole;
- and
- at least one pin partially inserted in the eccentric hole and pushed by means of the spring and formed with an end exposed from the eccentric hole for pushing the inclined wall before a predetermined value of torque is reached and for sliding on the inclined wall (36) after the predetermined value of torque is reached.
A clutch for a power tool, the clutch comprising:
- a disc defining at least one sector-shaped cutout comprising a floor and an inclined wall;
- a drum defining at least one eccentric hole;
- at least one spring put in the eccentric hole;
- and
- at least one pin partially inserted in the eccentric hole and pushed by means of the spring and formed with an end exposed from the eccentric hole for pushing the inclined wall before a predetermined value of torque is reached and for sliding on the inclined wall after the predetermined value of torque is reached.
Dependencies are inferred from the claim text.