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:
Jan. 08, 2013
Filed:
Aug. 16, 2010
Masanori Saitoh, Tokyo, JP;
Satoshi Okano, Kanagawa, JP;
Tomoyasu Hirasawa, Kanagawa, JP;
Shingo Suzuki, Kanagawa, JP;
Kenichi Takehara, Kanagawa, JP;
Yasuaki Iijima, Kanagawa, JP;
Takayuki Nishimura, Tokyo, JP;
Hiromitsu Fujiya, Kanagawa, JP;
Keisuke Yuasa, Kanagawa, JP;
Masanori Saitoh, Tokyo, JP;
Satoshi Okano, Kanagawa, JP;
Tomoyasu Hirasawa, Kanagawa, JP;
Shingo Suzuki, Kanagawa, JP;
Kenichi Takehara, Kanagawa, JP;
Yasuaki Iijima, Kanagawa, JP;
Takayuki Nishimura, Tokyo, JP;
Hiromitsu Fujiya, Kanagawa, JP;
Keisuke Yuasa, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cooling device includes a cooling roller having a dual tube structure including an inner tube disposed inside an outer tube, an outside flow passage and an inside flow passage in which a cooling medium flows, and an opening that allows the outside flow passage to communicate with the inside flow passage, a cooling medium transport unit, and a rotating tube joint unit mounted to one end side of the cooling roller. One end of the outer tube is coaxially rotatably fitted to a first fitting section of the rotating tube joint unit. One end of the inner tube is coaxially fitted into and rotatably or fixedly supported to a second fitting section of the rotating tube joint unit, and the other end is coaxially fitted into and rotatably or fixedly supported to a fitting section on the other end of the outer tube.