Photosensitive drum body-mounting mechanism including a drive co

Details Photosensitive drum body-mounting mechanism including a drive co Photosensitive drum body-mounting mechanism including a drive co

1992-02-28

1993-05-11

Moses, R. L.

Photocopying

Contact printing

Light boxes

355210, G03G 1500

Patent

active

052105741

ABSTRACT:
An image-forming machine includes a photosensitive drum on which a toner image is to be formed on the peripheral surface thereof, a transfer drum onto which is removably fitted an image-forming sheet member onto which said toner image will be transferred, and a cleaning device that removes the toner remaining on the peripheral surface of the photosensitive drum after the transfer of image has been finished. The image-forming area on the peripheral surface of the photosensitive drum is defined inside the portions that correspond to both side edges of the transfer sheet member of the transfer drum. A cleaning blade in the cleaning device is present continuously over the image-forming area but does not extend up to portions that correspond to both side edges of the transfer sheet. The photosensitive drum includes a pair of flange members and a photosensitive drum body mounted to the flange members. A drive coupling member made of a resilient metal is secured to one of the flange members, and has a coupling protrusion that bites into the inner surface of the photosensitive drum body.

REFERENCES:
patent: 4211484 (1980-07-01), Iwai et al.
patent: 4839690 (1989-06-01), Onoda et al.
patent: 4935778 (1990-06-01), Mochida
patent: 4975743 (1990-12-01), Surti
patent: 4975744 (1990-12-01), Ebata et al.
patent: 5053817 (1991-10-01), Ogiri et al.

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