Drum for image recording apparatus

Details Drum for image recording apparatus Drum for image recording apparatus

1991-02-13

1992-09-22

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

By means to convey sheet

355 73, B65H 506

Patent

active

051490820

ABSTRACT:
A drum for an image recording apparatus for absorbing and winding a recording material for the purpose of recording the image by 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: 3572857 (1971-03-01), Hasegawa
patent: 4121819 (1978-10-01), DiFrancesco et al.
patent: 4505484 (1985-03-01), Ohkuma et al.
patent: 4583729 (1986-04-01), Blumle
patent: 4660825 (1987-04-01), Umezawa
patent: 4792249 (1988-12-01), Lahr

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