Controller for rotary collator

Details Controller for rotary collator Controller for rotary collator

B - Operations, Transporting

65

H

203/8

B65H 39/065 (2006.01) B65H 3/44 (2006.01) B65H 39/045 (2006.01)

Patent

CA 1104088

CONTROLLER FOR ROTARY COLLATOR ABSTRACT A rotary collator having a rotatable drum with a plurality of radially extending partitions or bins in which sheets to be collated are held by a sheet clamp mounted in each bin. The sheet clamp for each bin has a solenoid-based activating device which releases the sheet clamp during the sheet ejecting portion of the collating cycle according to a program implemented by a con- troller. The controller is comprised of a programming disc into which selector pins corresponding to specified bins are inserted. The programming disc moves relative to an electromechanical mech- anism which enables an electrical switch to complete an electrical circuit to activate the solenoid. The spacing of the selector pins is such that consecutive empty bins require the electrical switch to be maintained in a disabled position, while consecutive loaded bins result in maintaining the electrical switch in an enabled position, thereby eliminating bouncing of the switch and the associated solenoid. The sheet clamp is released a short time before the rotatable drum brings the associated bin into a sheet ejecting position. A toggle structure and a relatively high com- pression spring are used to hold the sheets in the bin when in clamping position. The sheet clamp of any empty bin is programmed not to release, thereby greatly reducing noise and extending the life of the mechanism.

326883

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