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:
Apr. 07, 1992
Filed:
Nov. 21, 1990
Jean Thelamon, Bonneval, FR;
Paul Schwartz, Chateaudun, FR;
Hutchinson, Paris, FR;
Abstract
A hydraulic antivibratory sleeve comprising two rigid tubular frames (1, 2), one surrounding the other and joined together by an elastomer body (3) shaped so as to form therewith at least two diametrically opposite sealed pockets (A, B) communicating together through a narrow channel (9), the assembly of said pockets and said narrow channel being filled with a damping liquid, the portion of the elastomer body which defines one at least of the pockets (A) having in axial section the general form of a U or a V open radially outwardly and being adhered to two rigid annular shaped sections (8) one at least of which contains the narrow channel. The mutual axial spacing of the two shaped sections (8) is provided by means of bosses (12, 15, 16) formed on the internal face of this frame (2).