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:
May. 25, 1982
Filed:
Mar. 07, 1980
Applicant:
Inventor:
James T Shearer, Jr, Ada, MI (US);
Assignee:
Rapitsan Division, Lear Siegler, Inc., Grand Rapids, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
414273 ; 2502 / ; 414786 ;
Abstract
A system for accurately controlling the horizontal and vertical alignment of a materials handling vehicle with storage locations of a materials storage system includes a target positioned at a predetermined location with respect to each storage location and a sensor positioned on the materials handling vehicle and including three detectors positioned in a triangular pattern and responsive to the alignment of the detectors with a target to provide control signals employed to control the positioning of the vehicle for the accurate horizontal and vertical alignment of the vehicle with storage locations of the system.