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:
Dec. 13, 2011
Filed:
Mar. 04, 2009
Stephen E Hutchison, Batesville, IN (US);
David W Hornbach, Brookville, IN (US);
Darrell L Metz, Batesville, IN (US);
Stephen E Hutchison, Batesville, IN (US);
David W Hornbach, Brookville, IN (US);
Darrell L Metz, Batesville, IN (US);
Abstract
A bedhas a base framean elevatable frameand a telescopable columnhaving a base segmentconnected to the base frameand a terminal segmentconnected to the elevate able frameEach column circumscribes a lift chain assemblywhich includes a magazineand a lift chainwith a terminal linkThe magazineis connected to either the base frameor the elevate able frameand the terminal linkis connected to the other of the base frameand the elevate able frameThe magazinecomprises left and right magazine coverseach having an outer face and an inner facewith groovesThe lift chainhas left and right rollersthat project into the grooves. The lift chain assemblyalso includes a gear trainextending from a gear train drive shaftto a gear train output shaftand a motorhaving an output shaftconnected to the gear train drive shaft