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Patent Searching and Data


Title:
DEVELOPING CARTRIDGE
Document Type and Number:
WIPO Patent Application WO/2019/187963
Kind Code:
A1
Abstract:
The present invention provides a structure capable of, without providing a spring between a casing and an electrode of a developing cartridge, bringing the electrode of the developing cartridge and an electrode of a drum unit into contact with each other when the developing cartridge is attached to the drum unit. This developing cartridge 2 comprises a first electrode 24 electrically connected to a developing roller shaft, and a first boss 25. When the developing cartridge 2 is attached to a drum unit, the developing cartridge 2 rotates around the first boss 25 with respect to the drum unit. Consequently, part of the first electrode 24 comes into contact with a second electrode 16 of the drum unit 1. The first electrode 24 is thus brought into contact with the second electrode 16 using a rotation motion of the developing cartridge 2 around the first boss 25. Accordingly, the first electrode 24 and the second electrode 16 can be brought into contact with each other without providing a spring between a casing and the first electrode 24 of the developing cartridge 2.

Inventors:
WANG, Yuwen (Brother Kogyo Kabushiki Kaisha 1-1-1, Kawagishi, Mizuho-ku, Nagoya-sh, Aichi 62, 〒4678562, JP)
HASHIMOTO, Junichi (Brother Kogyo Kabushiki Kaisha 1-1-1, Kawagishi, Mizuho-ku, Nagoya-sh, Aichi 62, 〒4678562, JP)
KISHI, Isao (Brother Kogyo Kabushiki Kaisha 1-1-1, Kawagishi, Mizuho-ku, Nagoya-sh, Aichi 62, 〒4678562, JP)
OOKA, Kazuaki (Brother Kogyo Kabushiki Kaisha 1-1-1, Kawagishi, Mizuho-ku, Nagoya-sh, Aichi 62, 〒4678562, JP)
Application Number:
JP2019/007901
Publication Date:
October 03, 2019
Filing Date:
February 28, 2019
Export Citation:
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Assignee:
BROTHER KOGYO KABUSHIKI KAISHA (15-1, Naeshiro-cho Mizuho-ku, Nagoya-sh, Aichi 61, 〒4678561, JP)
International Classes:
G03G15/08; G03G21/16; G03G21/18
Foreign References:
JP2011203630A2011-10-13
JP2000194247A2000-07-14
JP2014016498A2014-01-30
JP2014238500A2014-12-18
JP2007101635A2007-04-19
Attorney, Agent or Firm:
KITAZAWA, Kazuhiro et al. (6F First Genesis Bldg, 31-14 Yushima 2-chome, Bunkyo-k, Tokyo 34, 〒1130034, JP)
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