Device for lifting the flaps of letters or envelopes

Details Device for lifting the flaps of letters or envelopes Device for lifting the flaps of letters or envelopes

1984-10-15

1985-11-05

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Envelope sealing type

53382, 53383, B65B 908

Patent

active

045511888

ABSTRACT:
An envelope or letter closing device of a postal article processing machine, includes a moistening device having a holding plate, a feeder mechanism disposed upstream of the moistening device in travel direction of the letters or envelopes for feeding the letters or envelopes to the moistening device, and a device for lifting the flaps of the envelopes or letters, the lifting device including a compressed air issuing device with an outlet opening, and a sensing device disposed in the feeder mechanism and connected to the compressed air issuing device, the sensing device causing the compressed air issuing device to issue an air stream from the outlet opening upon sensing letters or envelopes passing by for lifting the flaps of unsealed envelopes or letters and conducting the flaps below the holding plate for moistening.

REFERENCES:
patent: 2944511 (1960-02-01), Bach et al.
patent: 3474711 (1969-10-01), Swinyar
patent: 3550351 (1970-12-01), Gombault
patent: 4336681 (1982-06-01), Onishi
patent: 4393640 (1983-07-01), Cole et al.

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