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:
Jan. 30, 2018
Filed:
Aug. 13, 2014
Applicant:
Clark Material Handling Company, Lexington, KY (US);
Inventor:
Clark C. Simpson, Nicholasville, KY (US);
Assignee:
CLARK MATERIAL HANDLING COMPANY, Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66F 9/08 (2006.01); B66F 9/18 (2006.01); B66F 9/075 (2006.01);
U.S. Cl.
CPC ...
B66F 9/075 (2013.01); B66F 9/08 (2013.01); B66F 9/18 (2013.01); Y10S 414/123 (2013.01); Y10S 414/124 (2013.01);
Abstract
An upright for a lift truck includes a first group of mast sections in a first stagger arrangement where a first mast section of the first group of mast sections is fixed to the lift truck. The upright further includes a second group of mast sections in a second stagger arrangement that is reverse nested inside the first stagger arrangement. Further, the upright includes a drive system for telescopingly extending and retracting the second mast sections relative to the first mast section.