Switching device for a conveyor of letters, cards or other thin

Details Switching device for a conveyor of letters, cards or other thin Switching device for a conveyor of letters, cards or other thin

1975-06-11

1976-11-23

Blunk, Evon C.

Cutlery

271 64, 271195, 302 28, 302 29, B65G 5102

Patent

active

039933580

ABSTRACT:
Letters or like thin articles moving flat over a horizontal conveyor track are to be switched selectively towards either track of a fork. Such switching is controlled by intermittent pneumatically operating actuator means acting in the region of a gap in the track at the end of an incoming section, in order to deflect the articles away from their horizontal path and downwardly, these means cooperating with a physical surface which is inclined relatively to this path and towards which the articles are swung under the pneumatic action. This surface is composed of a stationary plate having a slanting operative face exposed to said pneumatically operating actuator means.
The device is useful for the automatic postal sorting of letters.

REFERENCES:
patent: 2881000 (1959-04-01), Kephart
patent: 3243181 (1966-03-01), Lyman
patent: 3472506 (1969-10-01), Rabinow et al.
patent: 3659840 (1972-05-01), Ruck

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