Control of withdrawal of flat items individually from a stack

Details Control of withdrawal of flat items individually from a stack Control of withdrawal of flat items individually from a stack

1978-03-06

1979-10-16

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271111, 271259, B65H 302, B65H 702

Patent

active

041711300

ABSTRACT:
During the successive discharge and conveyance, along a conveying path, of items of mail from a stack by a continuously driven conveying device and an externally controllable removal member arranged to transport successive items from the stack to the region of action of the conveying device, the desired spacing between each pair of successive items is established automatically as a function of the length of that item of such pair which is the leading item on the conveying path such that for a leading item whose length exceeds a predetermined length value, the next succeeding item is transported from the stack when the distance between the trailing edge of that leading item and the leading edge of the next succeeding item reaches a given first spacing value, and for a leading item whose length is less than the predetermined length value, the next succeeding item is transported from the stack when the distance between the leading edge of that leading item and the leading edge of the next succeeding item reaches a given second spacing value.

REFERENCES:
patent: 3981493 (1976-09-01), Klappenecker et al.
patent: 4077620 (1978-03-01), Frank et al.
patent: 4082263 (1978-04-01), Baumberger et al.

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