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:
May. 07, 2002
Filed:
Jun. 01, 2000
Giancarlo Piretti, Bologna, IT;
Pro-Cord Srl, Bologna, IT;
Abstract
Tilting seat chair, comprising: a base structure ( ) bearing a transverse tilting axis ( ), a seat support structure ( ), tiltably mounted about the transverse tilting axis ( ), an elastic arrangement for opposing the seat tilting motion, and an adjustment device ( ) for varying the force opposing the elastic arrangement. The aforesaid elastic arrangement comprises a torsion bar ( ) connecting the seat support structure ( ) to the base structure ( ) in a tilting manner about the transverse tilting axis ( ). The torsion bar ( ) has at least a first portion ( ) rotatably connected to the seat support structure ( ) and at least a second portion ( ) connected to the base structure ( ) through the aforesaid adjustment device.