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:
Nov. 20, 2007
Filed:
Nov. 19, 2004
Applicants:
Hajime Tsuboi, Tokyo, JP;
Toshiya Fuke, Tokyo, JP;
Norio Fukushima, Tokyo, JP;
Inventors:
Assignees:
Eagle Industry Co., Ltd., Tokyo, JP;
Shin Caterpillar Mitsubishi Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16J 15/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A seal device that includes a seal portion protruding from a resilient body member in a common direction with a seal lip member. The seal portion being shorter in length and having a thickness that is thinner than the lip seal member. A gap is defined between an action diameter surface of the seal lip member and one of either a retainer portion or a ring member, wherein the seal portion contacts the other one of the retainer portion or ring member. A pressure receiving groove is defined between the seal lip member and the seal portion, and is in communication with the gap.