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:
Sep. 07, 2021
Filed:
Nov. 11, 2019
Cardinal Ig Company, Eden Prairie, MN (US);
Robert C. Buchanan, Spring Green, WI (US);
Karl T. Chic, Madison, WI (US);
CARDINAL IG COMPANY, Eden Prairie, MN (US);
Abstract
The invention provides systems and methods for robotically stacking sheets. The systems and methods involve a robot arm and a conveyor line. The robot arm has attached thereto a suction frame. In some embodiments, the systems and methods involve first and second robot arms. In such embodiments, the system and method facilitate and involve a sequentially alternating unloading operation such that the system has a first position in which the first robot arm is elevated and has the first suction frame loaded with one or more sheets while the second robot arm is lowered and has the second suction frame unloaded and the system has a second position in which the second robot arm is elevated and has the second suction frame loaded with one or more sheets while the first robot arm is lowered and has the first suction frame unloaded.