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:
Apr. 09, 2024
Filed:
May. 13, 2022
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Wonhee M. Kim, Royal Oak, MI (US);
Paul W. Alexander, Ypsilanti, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61G 3/06 (2006.01);
U.S. Cl.
CPC ...
A61G 3/062 (2013.01); A61G 3/067 (2016.11);
Abstract
A lifting system includes a top plate, a bottom plate and N pairs of hinged plates. The N pairs of hinged plates are connected by 2N pairs of hinges to N sides of the top plate and the bottom plate, where N is an integer greater than 2. A bladder is arranged between the top plate and the bottom plate and between inner edges of the N pairs of hinged plates.