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:
Sep. 27, 1988
Filed:
Nov. 13, 1986
Applicant:
Inventor:
Volker Hartel, Germering, DE;
Assignee:
Metzeler Kautschuk GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
2671401 ; 180312 ; 180902 ; 188267 ; 248550 ; 248562 ; 248636 ; 2671411 ; 267152 ; 267219 ; 280710 ;
Abstract
A spring element with hydraulic damping includes a rubber-elastic peripheral wall and two rigid end walls defining a chamber therebetween, an electroviscous fluid filling the chamber, a stack of at least two metal plates disposed in the chamber, and elastic rubber elements disposed between and maintaining mutual spacings between the metal plates, the metal plates being alternately connected to a voltage source and to ground potential.
Hartel, Volker. (1988). Spring element with hydraulic damping (U.S. Patent No. 4773632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4773632
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile