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:
Aug. 20, 2019
Filed:
Jun. 27, 2017
Grammer Ag, Amberg, DE;
Konstantin Lorey, Schmidgaden, DE;
GRAMMER AG, Amberg, DE;
Abstract
Suspension device for a vehicle seat, comprising an upper suspension portion and a lower suspension portion, which are interconnected by a first swivel connector and a second swivel connector, and the first and the second swivel connector are pivoted in each case about a swivel pin in the case of an oscillating movement of the upper suspension portion relative to the lower suspension portion, wherein a first toothed wheel element which is rotatable about a first axis of rotation is arranged on the first swivel connector for adjusting a position of a first spring unit, by means of which a spring force and a spring rate of the suspension device can be changed, the first toothed wheel element being in operative contact with a second toothed wheel element which is rotatable about a second axis of rotation.