Drum for image recording apparatus having a guide member with a

Details Drum for image recording apparatus having a guide member with a Drum for image recording apparatus having a guide member with a

1991-02-13

1992-09-08

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

By means to convey sheet

271277, 346138, B65H 502

Patent

active

051451700

ABSTRACT:
A drum for an image recording apparatus for absorbing and winding a recording material for the purpose of recording the image of an exposure head thereof. The main body of the drum is structured by arranging a plurality of cylindrical members having a relatively smaller axial direction. Since the drum is formed by arranging the cylindrical members, the drum can be readily manufactured. A guide is provided on the outer surface of the drum, this guide guiding, pressing, and retaining the front portion of the recording material to the outer surface of the drum so that the absorption of the recording material is conducted assuredly. The shaft of the drum is borne by a radial ball bearing which has a sealing member so that air leakage when the absorption is conducted is prevented.

REFERENCES:
patent: 3203074 (1965-08-01), Monaghan
patent: 3618123 (1971-11-01), Buddendeck
patent: 3906512 (1975-09-01), Farlow
patent: 4121819 (1978-10-01), DiFrancesco et al.
patent: 4127266 (1978-11-01), Williams
patent: 4252309 (1981-02-01), Garrison et al.
patent: 4505484 (1985-03-01), Ohkuma et al.
patent: 4660825 (1987-04-01), Umezawa
patent: 4875069 (1989-10-01), Takada et al.
Gilpin, "Film Clamp", Apr. 1974, IBM Tech. Disclosure Bulletin, vol. 16, No. 11, p. 3627.

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