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. 22, 1986
Filed:
Mar. 19, 1984
Applicant:
Inventor:
Giorgio Tangorra, Monza, IT;
Assignee:
Industrie Pirelli S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188 67 ; 188268 ; 188281 ;
Abstract
An oscillation damping device having a differentiated action in the two directions of sliding of a rigid stem with respect to a rigid case, comprising a plurality of rigid rolling elements, interposed between a rolling race of viscoelastic material and one or more skidding metallic races, shaped in such a way that upon moving the stem in one direction, the rolling elements are encased within said metallic races, spaced out from the viscoelastic race and exert a limited braking effect, while upon moving the stem in the opposite direction, the rolling elements are advanced into interference with the viscoelastic race and thereby exert a strong braking effect.