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:
Sep. 06, 2011
Filed:
Sep. 02, 2008
Takao Shimomura, Tokyo, JP;
Hideki Tomoto, Tokyo, JP;
Masamitsu Sanada, Tokyo, JP;
Eagle Industry Co., Ltd., , JP;
Abstract
To enable to use a lip type seal at installation positions where shaft diameters are same but shaft hole diameters are different, an installation structure is made such that a lip type seal () is installed to an inner periphery of a shaft hole () via a cartridge () arranged at an outer peripheral side of the lip type seal, the cartridge () has a large-diameter tube portion () and a small-diameter tube portion () via a step portion (), and is fitted to the inner periphery of the shaft hole () by an outer peripheral surface of the large-diameter tube portion (), while the lip type seal () is fitted to an inner peripheral surface of the small-diameter tube portion (), and only a diameter of the large-diameter tube portion () is set in conformity to a diameter of a shaft hole to be installed.