Item sorter pocket flag and switch apparatus

Details Item sorter pocket flag and switch apparatus Item sorter pocket flag and switch apparatus

1978-10-23

1980-10-28

Reeves, Robert B.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

271220, B65H 3104

Patent

active

042303125

ABSTRACT:
A sorter pocket flag back-up assembly and switch indicating means comprises a non rotatable rectilinearly, slideably moveable support member engageable with one side or face of an item entering the pocket of a sorter including a zero clearance bearing and an integral linear rack having radially disposed teeth engageable with a drive pinion coupled to a reversible stepping motor. The support and rack include a lower guide track coextensive with the rack and an upper spring loaded pin which together maintain a constant depth engagement of the pinion and rack teeth and avoid any tilt of the rack transverse to the long dimension thereof. A pedestal mounted switch arm having an item contacting tang at one end and optical switch interruptor means at the opposite end is pivotally mounted on the pedestal for swinging movement toward and away from the items and the back-up flag assembly effective to energize and deenergize the stepping motor as the stack of items in the pocket enlarges or diminishes thereby effectively controlling the positioning of the flag assembly and indicating an empty or full condition of the sorter pocket.

REFERENCES:
patent: 3051480 (1962-08-01), Carlin et al.
patent: 3682473 (1972-08-01), Kuyt
patent: 3790004 (1974-02-01), Tole et al.

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