Patent
Developer storage device, and process cartridge
Shogo Satomura,章悟 里村,Akira Suzuki,陽 鈴木,Hayashida Makoto,誠 林田 +5 more
- 05 Nov 2012
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TL;DR: In this paper, a toner storage device for which seal performance is stabilized, and a process cartridge is provided, which includes a frame body with a hole 45, a rotatable drive shaft 20a passing through the hole 45 and a seal member 10 for sealing an annular gap between the inner peripheral surface of the hole and an outer peripheral surface.
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Abstract: PROBLEM TO BE SOLVED: To provide a developer storage device for which seal performance is stabilized, and a process cartridge.SOLUTION: A toner storage device 43a for storing toner includes: a frame body 43a provided with a hole 45; a rotatable drive shaft 20a passing through the hole 45; and a seal member 10 for sealing an annular gap between an inner peripheral surface of the hole 45 and an outer peripheral surface of the drive shaft 20a. The seal member 10 has a projection part 10a to be slid in contact with the outer peripheral surface of the drive shaft 20a, and is integrally molded with the frame body 43a.
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Citations
Patent
Developer container and image forming apparatus
Honda Fumiyuki,Takashi Ochi,Yasuaki Watanabe,Jun Abe,Toshihiro Kanematsu,Tomoyuki Yoshii,Kenta Urayama,Shinji Okuyama +7 more
- 29 Sep 2016
TL;DR: In this paper, a developer container (Gy) includes: a housing section (V) for housing developer including toner and carrier; rotating members (16, 17) arranged in the housing section and rotating around shaft sections (16a, 17a); a bearing member (21) for rotatably supporting the shaft sections.
References
Patent
Resin composition for seal sliding member and seal sliding member using it
Yamamoto Tetsuyuki
- 24 Nov 2000
TL;DR: In this paper, a cylindrical bearing part 2 and an annular lip part 3 for pivoting a rotary shaft are treated by a resin composition including grease and thermoplastic elastomer so as to be integrally formed.
5
Patent
Roller supporting bearing device
Fujimoto Takashi
- 21 Dec 2001
TL;DR: In this article, the lip packing is formed by an integral molding article of an elastic body, and the integral part brought into sliding contact with the peripheral surface of a support shaft supported on the bearing and a fixed part fixed to the bearing.
5
Patent
Developer seal device
Shirai Hiroyuki
- 25 Dec 1992
TL;DR: In this paper, a developer seal is constructed with two circular sections stuck to each other with an adhesive, and the cell diameter of the elastic body is 0.1-20mum.
4
Patent
Powder storing container, developing device equipped therewith and electrophotographic image forming apparatus
Tomonori Mori,Koji Hashimoto,Yoshino Yasushi +2 more
- 06 Jun 2003
TL;DR: In this paper, a toner container in which toner is stored is provided with a rotating toner stirring member capable of rotating in a container main body, and an oil sealing member is fitted on a fitting surface at the outside diameter part of the projection part.
4
Patent
Bearing seal member and developing device using the same, and image forming device
Isozaki Naoki,Abe Shinya +1 more
- 25 Aug 2011
TL;DR: In this article, the bearing seal member includes the bearing member 154 that supports a rotating shaft so as to freely rotate, and the sealing member 155 provided integrally at one side along an axial direction of the bearing members 154 to seal the rotating shaft.
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