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:
Oct. 25, 2016
Filed:
Mar. 20, 2015
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Brandon Allan Smith, Waukesha, WI (US);
Chad Allan Smith, Franklin, WI (US);
Mark Tercha, Mukwonago, WI (US);
Jaime Lehrer, Greenfield, WI (US);
Assignee:
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47B 9/00 (2006.01); A47B 9/02 (2006.01); F16F 13/00 (2006.01);
U.S. Cl.
CPC ...
A47B 9/02 (2013.01); F16F 13/002 (2013.01);
Abstract
A dual-rate tandem spring system is described. The system may include a higher force spring and a lower force spring. The spring system may comprise gas springs. The spring system may be included in a table system to provide lift or descent assist of objects such as a patient. A damper may be installed in the spring system to provide smooth transition between lower and higher force springs.