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:
Jun. 03, 2014
Filed:
Feb. 10, 2012
Leah Kenttamaa-squires, West Lafayette, IN (US);
Kyle Amick, West Lafayette, IN (US);
Leah Kenttamaa-Squires, West Lafayette, IN (US);
Kyle Amick, West Lafayette, IN (US);
Purdue Research Foundation, West Lafayette, IN (US);
Abstract
A convertible chair with upright and reclined configurations is disclosed. Embodiments of the invention include a chair that collapses to form a dolly and expands to form a chair with upright and reclined seating configurations. Alternate embodiments include a base connected to a seat with a four bar linkage. In still further embodiments, one side of the four bar linkage is extended outside the pivoting joints, the extended portion being pivotally and slidingly engaged with the base. In other embodiments, the chair is configured to maintain the occupant's center of mass near the primary weight supporting pivot linkage.