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. 15, 1990
Filed:
Feb. 13, 1989
Pierre Woerner, Fontenay-Aux-Roses, FR;
Jean-Pierre Hainaut, La Queue-en-Brie, FR;
Messier-Hispano-Bugatti, , FR;
Abstract
The shock absorber of the invention comprises a struct (1) in which a sliding rod (4) is mounted, with an annular chamber (17) being defined between the strut and the sliding rod. According to the invention, the shock absorber includes at least one support bearing (10) between the strut and the sliding rod in the vicinity of the opening (3) in the strut, and a sealing bearing (12) at a distance from the support bearing (10) and disposed at a level which corresponds to the top portion of the sliding rod when the shock absorber is in its extended position, with the sealing bearing (12) also having a side which is in contact with the annular chamber (17) and spporting at least two sealing rings (14) which are separted by a groove (13) which is connected to the annular chamber via a balance channel (16) capable of being closed by a cock (19).