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. 07, 2014
Filed:
Mar. 17, 2011
Kokichi Hamamoto, Fukushima, JP;
Kokichi Hamamoto, Fukushima, JP;
NOK Corporation, , JP;
Abstract
An oil seal has a first seal member including a main lip and a first dust lip, and a second seal member installed in a machine outer side of the first seal member. The second seal member integrally has an end surface covering section covering an end surface section of a housing, an outer peripheral insertion section inserted from one side in an axial direction to an outer peripheral surface of the housing and engaged with a stepped engagement section in the outer peripheral surface of the housing so as to prevent the second seal member from coming off from the housing, an inner peripheral insertion section inserted to an inner peripheral surface of the shaft hole in the housing from one side in the axial direction, and a second dust lip slidably coming into close contact with the shaft in the machine outer side of the first dust lip.