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:
Jul. 12, 2011
Filed:
Nov. 27, 2007
John Spangler, Pekin, IL (US);
Jonathan Chase Catton, Brimfield, IL (US);
Alexander Striegel, Dunlap, IL (US);
John Spangler, Pekin, IL (US);
Jonathan Chase Catton, Brimfield, IL (US);
Alexander Striegel, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A suspension system for a seat assembly of a machine includes an upper support member and a lower support member. A pair of scissors linkages interconnect the upper and lower support members. Each of the scissors linkages includes first and second arms pivotably attached at central portions thereof. An electronic controller is in communication with a pair of electromagnetic devices positioned at first ends of the first arms. The electronic controller is configured to energize the electromagnetic devices in response to a sensor output.