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:
Oct. 06, 2020
Filed:
Nov. 22, 2019
Applicant:
Joy Global Underground Mining Llc, Warrendale, PA (US);
Inventors:
Charles W. Watson, Paris, KY (US);
William L. Harney, Millersburg, KY (US);
Assignee:
Joy Global Underground Mining LLC, Warrendale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 23/44 (2006.01); E21F 13/06 (2006.01); B65G 19/10 (2006.01);
U.S. Cl.
CPC ...
B65G 23/44 (2013.01); E21F 13/066 (2013.01); B65G 19/10 (2013.01);
Abstract
A tensioning system for a conveyor element of a conveyor. The tensioning system including a hydraulic apparatus, a locking plate, and a take-up bar. The hydraulic apparatus includes a cylinder having an extendible piston. The take-up bar is coupled to the cylinder and coupled to a shaft of the conveyor. The take-up bar moves the shaft of the conveyor in a forward direction away from the centerline of the conveyor when overcoming a locking force from the locking plate.