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:
May. 01, 1990

Filed:

Jun. 22, 1988
Applicant:
Inventors:

Akira Takenaka, Toyota, JP;

Masanori Hatanaka, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277153 ; 277208 ; 2772 / ;
Abstract

A lip seal device for use with an automobile water pump having a simple structure and which can be manufactured with a compact size and at a low cost. The lip seal device includes a housing, a rotary shaft rotatably supported in the housing, a case through which the rotary shaft passes, a sleeve fixed to the rotary shaft, and a sealing member formed of two sheets of lips, the outer end portions of which are attained to the case and the inner end portions of which are in sliding contact with the outside circumferential surface of the sleeve, whereby the generation of abnormal noise in the automobile engine is effectively controlled.


Find Patent Forward Citations

Takenaka, Akira. (1990). Lip seal device for water pumps (U.S. Patent No. 4921260). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4921260

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

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