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US4963940A Expired / Lapsed US ⏱️ 0.0 years remaining

Toner cartridge for a copying apparatus

Assignee: Konica Minolta Inc
•
Filing: 1989-07-19
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Granted: 1990-10-16
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Expires: 2009-07-19
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Abstract

Abstract A toner cartridge for supplying a toner to a photo-copy machine and collecting a waste portion of the toner after a copy operation with the photo-copy machine, comprising; a cylindrical body for providing a supplement toner containing room and a waste toner collecting room by means of a separating wall inside, the separating wall for dividing the supplement toner containing room and the waste toner collecting room, an outlet being located on the wall of the cylindrical body at the side of the supplement toner containing room for supplying the toner contained in the room into the photo-copy machine, and an inlet being located on the wall of the cylindrical body at the side of the waste toner collecting room for collecting the waste portion of the toner from the photo-copy machine, in which the separating wall is angled so that its surface is leaned toward the supplement toner containing room or the waste toner collecting room.

Inventors

  • 👤 Mitsugu Nemoto
  • 👤 Atsuo Ohmura
  • 👤 Jun-ichi Koiso
  • 👤 Kohji Ishii

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:49
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/10; G03G21/105; G03G15/00; G03G15/06; G03G15/08; G03G15/0822; G03G15/0865; G03G15/0867; G03G15/0868; G03G15/0877; G03G15/0881; G03G15/0882; G03G21/12; G03G2215/00; G03G2215/06; G03G2215/066; G03G2215/0663; G03G2215/0665; G03G2215/0675; G03G2215/0685; Y; Y10; Y10S; Y10S222/00; Y10S222/01

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 160 words
A toner cartridge for supplying toners to a developer and collecting a waste portion of toner after a copying operation, said cartridge comprising: a cylindrical body, a separating wall inside said body thereby dividing said body into a supply toner container and a waste toner collector; an outlet on a curved wall of said body at a side of said supply toner container whereby toner is supplied to said developer through said outlet; an inlet on said curved wall at the side of said waste toner collector whereby said waste portion of toner is introduced into said waste toner collector through said inlet after said copying operation, said outlet and said inlet are on opposite sides of said curved wall, and said separating wall means is angled so that one length of a first side of said collector on which said inlet is located is shorter than another length of a second side of said collector opposite said first side.
Claim 2
Dependent Claim 160 words
A toner cartridge for supplying toners to a developer and collecting a waste portion of toner after a copying operation, said cartridge comprising: a cylindrical body, a separating wall inside said body thereby dividing said body into a supply toner container and a waste toner collector; an outlet on a curved wall of said body at a side of said supply toner container whereby toner is supplied to said developer through said outlet; an inlet on said curved wall at the side of said waste toner collector whereby said waste portion of toner is introduced into said waste toner collector through said inlet after said copying operation, said outlet and said inlet are on opposite sides of said curved wall, and said separating wall means is angled so that one length of a first side of said collector on which said inlet is located is shorter than another length of a second side of said collector opposite said first side.
Claim 3
Dependent Claim 41 words
The toner cartridge of claim 1 further comprising: shutter means for controlling outflow of said waste portion of said toner from said waste toner collector, wherein said shutter means is adjacent said inlet and axially movable with relation to said body.
Claim 4
Dependent Claim 12 words
The cartridge of claim 1 wherein said separating wall is substantially rigid.

References Cited (Backward Citations)

GB2089689A Cited
DE3223275A1 Cited
JPH046171A Cited
JPH084373A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-10-15 1994-04-16 1994-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-10-15 1998-04-16 1998-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-10-15 2002-04-16 2002-10-16 $7700.00 Window Closed / Lapsed

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