Image forming apparatus provided with mechanism to move developing roller relative to photosensitive drum

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9141081
APP PUB NO 20140093273A1
SERIAL NO

14032609

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Importance

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Abstract

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An image forming apparatus includes a main casing and a cartridge detachably mountable therein. The cartridge includes a photosensitive drum and a developing roller disposed to oppose each other. The main casing includes: a metal frame for supporting the cartridge; a lock member supported to the metal frame and movable about a first axis to allow or restrict movement of the photosensitive drum relative to the metal frame; and a contact-separation member supported to the metal frame and movable about a second axis to allow contact and separation of the developing roller relative to the photosensitive drum. The lock member and the contact-separation member are aligned in an orthogonal direction orthogonal to an axis of the photosensitive drum such that the first axis is not overlapped with the contact-separation member or the second axis is not overlapped with the lock member in an axial direction of the photosensitive drum.

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Patent Owner(s)

  • BROTHER KOGYO KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayakawa, Atsushi Okazaki, JP 147 966
Kamimura, Naoya Ichinomiya, JP 246 3647
Nakashima, Atsuhisa Obu, JP 69 517

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