Sheet feeding and registration apparatus

Details Sheet feeding and registration apparatus Sheet feeding and registration apparatus

1983-07-05

1985-07-16

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271114, 271119, 271242, B65H 306, B65H 506, B65H 906

Patent

active

045291888

ABSTRACT:
A drive assembly for a stalled roll sheet feeding device is illustrated. It comprises a registration roll and a feed roll driven in timed sequence each with a control collar comprising a clutch to engage and disengage the respective shaft and each collar having control stops positioned to interact with a control arm pivotally mounted between them which with a solenoid actuator selectively pulls one end of the control arm down releasing the other and, when the solenoid is deenergized a spring positively retracts the control arm from engagement with the control collar. In a preferred embodiment the sheet feed roll comprises a segmented feed roll and a cam actuated spring is used to multiply the positive retraction force supplied to the control arm when it is retracted from engagement with the control collar.

REFERENCES:
patent: 3981497 (1976-09-01), Feinstein et al.
patent: 4015523 (1977-04-01), Evans et al.
patent: 4268163 (1981-05-01), Doi et al.

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