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.

Date of Patent:
Jul. 07, 2015

Filed:

Dec. 24, 2010
Applicants:

Nobukazu Fujii, Wakayama, JP;

Hironori Oida, Wakayama, JP;

Inventors:

Nobukazu Fujii, Wakayama, JP;

Hironori Oida, Wakayama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/32 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3228 (2013.01); F16J 15/3232 (2013.01); F16J 15/324 (2013.01);
Abstract

In a rotary shaft seal configured such that first and second seal elements () and () each having a fundamental thickness (T) and each curved through a curved wall portions () of a corresponding one of the first and second seal elements () and () to have a generally J-shaped cross section are arranged so as to be curved in opposite directions along a shaft center (L), a wide circumferential groove () is formed in each of opposed surfaces () of the respective curved wall portions () of the first and second seal elements () and (). Under use conditions (where the seal is inserted), extreme end portions () of the first and second seal elements () and () are in contact with an outer circumferential surface () of a rotary shaft () with a peak contact pressure such that a contact width (E) is equal to or less than twice the fundamental thickness (T).


Find Patent Forward Citations

Fujii, Nobukazu. (2015). Rotary shaft seal (U.S. Patent No. 9074688). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9074688

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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