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:
Feb. 22, 2005
Filed:
Sep. 23, 2002
Atsushi Hosokawa, Arida, JP;
Hideo Nagaoka, Arida, JP;
Takeshi Yamada, Kariya, JP;
Yuji Kaneshige, Kariya, JP;
Atsushi Hosokawa, Arida, JP;
Hideo Nagaoka, Arida, JP;
Takeshi Yamada, Kariya, JP;
Yuji Kaneshige, Kariya, JP;
Mitsubishi Cable Industries, Ltd., Amagasaki, JP;
Kabushiki Kaisha Toyoda Jidoshokki, Kariya, JP;
Abstract
A rotation shaft seal disposed between a housing and a rotation shaft, and provided with a seal member of rubber having a lip end portion which extends as to diminish in diameter to a fluid storing chamber side, wherein the lip end portion has a contact portion which contacts a surface of the rotation shaft and an end face which is facing the rotation shaft, and a concave portion, generating a component of force in diameter direction to raise the lip end portion outward in the diameter direction when receiving pressure in the fluid storing chamber, is formed on the end face.