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. 29, 2019
Filed:
Jun. 18, 2018
Applicant:
Laitram, L.l.c., Harahan, LA (US);
Inventors:
Casper Fedde Talsma, Valencia, ES;
David W. Bogle, Round Rock, TX (US);
Assignee:
Laitram, L.L.C., Harahan, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G 17/08 (2006.01); B65G 21/18 (2006.01); B65G 15/30 (2006.01);
U.S. Cl.
CPC ...
B65G 17/086 (2013.01); B65G 15/30 (2013.01); B65G 21/18 (2013.01);
Abstract
A spiral conveyor for positively driving a conveyor belt along a helical path. The spiral conveyor includes a rotating cylindrical tower with parallel drive members extending from the bottom to the top of the tower on its periphery. Each drive member includes an outwardly protruding ridge that varies in height from the bottom to the top of the tower. The variations in height facilitate the belt's entry onto and exit from the tower and robust, positive driving engagement with the inside edge of the belt along the majority of its path along the tower.