Patent ID: 7252283

Claim:
A paper-pickup clutch of an automatic paper-feeding device, comprising: a clamping member sleeved on a shaft beside a paper-pickup mechanism of the automatic paper-feeding device, wherein the clamping member, which does not include a spring element, is capable of exerting a desired level of clamping force on said paper-pickup mechanism and said paper-pickup mechanism is capable of sustaining against paper to be fed and self-rotating with the rotation of said shaft in a first direction to feed the paper and rotating with said shaft in a second direction to release the paper; and a clamping-force adjusting member sleeved on said shaft beside said clamping member, wherein the clamping-force adjusting member is capable of moving said clamping member toward or away from said paper-pickup mechanism in response to an external force in order to adjust said clamping force to said desired level.