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. 16, 1986
Filed:
Jun. 29, 1984
Ivan J Warmuth, II, Akron, OH (US);
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
A pneumatic spring 10 with inner 20 and outer 22 chambers which may be pressurized independently to give variable spring rates which are independent of load carrying capacity of the spring. The chambers 20, 22 are formed by gas-impervious membranes 16, 18 sealably attached to an axially spaced apart retainer 12 and piston 14. The effective diameter of the inner chamber is greater than the outer chamber allowing the spring to exert compressive or extensive force depending upon pressures in the chambers. The spring 10 may be used as a vehicle suspension component.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile