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:
Jun. 04, 2002
Filed:
Dec. 16, 1999
Applicant:
Inventors:
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 1/352 ; B60T 1/374 ;
U.S. Cl.
CPC ...
B60T 1/352 ; B60T 1/374 ;
Abstract
A negative pressure type servo unit which allows the size of the actuator to be reduced includes a housing, a movable wall positioned in the housing, a power piston, an input member, a plunger, a valve mechanism, an output rod, an actuator and a seal member. The seal is designed to include a first engaging portion and a second engaging portion producing a pressure difference on a front side and a rear side of the seal.
Quick Actions:
Tsubouchi, Kaoru. (2002). Negative pressure type servo unit (U.S. Patent No. 6397724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6397724
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile