The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2005
Filed:
May. 31, 2002
Hiroaki Matsuda, Numazu, JP;
Kazuyuki Yazaki, Numazu, JP;
Takayuki Koike, Numazu, JP;
Koji Suzuki, Yokohama, JP;
Tadashi Kasai, Tokyo, JP;
Yutaka Takahashi, Yokohama, JP;
Mitsuo Aoki, Numazu, JP;
Naohito Shimota, Sunto-gun, JP;
Akihiro Itoh, Sendai, JP;
Hiroaki Matsuda, Numazu, JP;
Kazuyuki Yazaki, Numazu, JP;
Takayuki Koike, Numazu, JP;
Koji Suzuki, Yokohama, JP;
Tadashi Kasai, Tokyo, JP;
Yutaka Takahashi, Yokohama, JP;
Mitsuo Aoki, Numazu, JP;
Naohito Shimota, Sunto-gun, JP;
Akihiro Itoh, Sendai, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner for a two-component developer comprising the toner and carrier particles, the developer being used for an oilless fixing-type image forming apparatus comprising a developer carrier rotatable at a linear speed of 360-1,680 mm/sec, and a developer adjusting member extending in a lateral direction parallel to the rotational axis of the developer carrier and disposed adjacent to the developer carrier to define a gap therebetween of 0.3-1.0 mm, said image forming apparatus being operated so that the amount of the developer conveyed by the developer carrier and passing through the gap per 1 second is 5.0-25.0 g per 1 cm of the lateral width of the gap, the toner comprising a wax dispersed therein and the toner having a coefficient of dynamic friction in the range of 0.18-0.45.