Method to control housing air inlet gap and means therefor

Details Method to control housing air inlet gap and means therefor Method to control housing air inlet gap and means therefor

1992-06-25

1993-04-13

Grimley, A. T.

Photocopying

Contact printing

Light boxes

152565, 355215, 355299, 355301, G03G 2100

Patent

active

052027350

ABSTRACT:
A method and apparatus for controlling air inlet flow through a cleaner housing arranged downstream of a toner transfer area and adjacent an image forming surface of a photoreceptor in an electrophotographic machine. An adjustable air inlet baffle, with attached film seal, is mounted on the cleaner housing such that an air inlet gap is formed. The size of the gap and direction of air flow can be varied by the structure of the baffle. Additionally, the attached film seal extends laterally across, contacts and rests upon the image forming surface of the photoreceptor, thus allowing the photoreceptor to pass under the film seal unobstructed while the film seal acts in sealing engagement with the photoreceptor to prevent emissions of residual toner from the housing.

REFERENCES:
patent: 3969785 (1976-07-01), Ogawa et al.
patent: 3986233 (1976-10-01), Kieffer
patent: 4168901 (1979-09-01), Ito et al.
patent: 4435073 (1984-03-01), Miller
patent: 4963930 (1990-10-01), Yoshimaru et al.
Crooks, Electrophotographic Cleaning Apparatus, IBM Technical Disclosure, vol. 12 No. 11, Apr. 1970, p. 1819.

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