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:
May. 06, 2014
Filed:
Jun. 27, 2012
Tomohiro Kanaya, Kasugai, JP;
Tomohiro Kanaya, Kasugai, JP;
Tokai Rubber Industries, Ltd., Aichi, JP;
Abstract
A fluid-filled vibration damping device including: a partition member having first and second partition plates overlapping, and a holding area formed between overlapping surfaces of center parts of the two partition plates; and a movable membrane held and arranged in the holding area. A claw-shaped part and a perforation window are formed at respective corresponding positions of outer circumference parts of the two partition plates, and a fixing mechanism is constituted with the claw-shaped part latched in a circumference edge part of the perforation window. A widening area is provided between an outer circumference surface of the movable membrane and an inner circumference surface of the holding area by partially making a large distance therebetween. At least one of the two partition plates has a first air vent hole piercing a part constituting a wall part of the widening area.