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:
Jul. 02, 2002
Filed:
Apr. 10, 2000
Yasuhiko Ishikawa, Tochigi, JP;
Kazutaka Kawata, Tochigi, JP;
Hiroshi Nohara, Tochigi, JP;
Toshio Shiba, Tochigi, JP;
Naoshi Mogami, Tochigi, JP;
Katsumi Tanaka, Tochigi, JP;
Norihiko Tashiro, Tochigi, JP;
Naoyuki Shioda, Tochigi, JP;
Tadashi Oikawa, Tochigi, JP;
Akihiro Mashiyama, Tochigi, JP;
Osamu Ishikawa, Tochigi, JP;
Masayuki Sayama, Tochigi, JP;
Shigeyuki Shimada, Tochigi, JP;
Hideyuki Inose, Tochigi, JP;
Yoshiharu Shouda, Tochigi, JP;
Tochigi Fuji Sangyo Kabushiki Kaisha, Tochigi, JP;
Abstract
An outer rotational member has an inner wall surface and an outer wall surface. An inner rotational member is arranged inside the outer rotational member. Friction-clutch means is provided between the inner rotational member and the outer rotational member and is fastened by a thrust force. An oil lubricates at least the friction-clutch means. An oil space intervenes between the inner rotational member and the outer rotational member. Seal means seals the oil in the oil space. A first oil reservoir is recessed on the inner wall surface of the outer rotational member toward a side of the outer wall surface side.