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:
Dec. 08, 1992
Filed:
Jan. 08, 1991
Jean Thelamon, Bonneval, FR;
Paul Schwartz, Chateaudun, FR;
Hutchinson, , FR;
Abstract
A hydraulically damped bushing comprising two tubular bodies surrounding each other and joined with each other by an elastomeric member so designed as to form two sealed cavities communicating with each other by a narrow channel, the cavity-channel assembly being filled with a liquid, whereas the portion of said member which defines one of the cavities consists of a tight bellows whose edges are attached sealingly onto the external body. This bushing further comprises, within said defined cavity, a second tight bellows which is sealingly attached onto the external tubular body, the inner volume of said second bellows being vented to the open air through an aperture bored into said body.