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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.:

US 11440736 B1

PDFFull Text
Date of Patent:
Sep. 13, 2022

Filed:

Apr. 19, 2021

Chain conveyor

Applicant:

Joy Global Underground Mining Llc, Warrendale, PA (US);

Inventors:

Aaron Philip Walker, Evans City, PA (US);

Christopher George Stewart, Oil City, PA (US);

Assignee:

Joy Global Underground Mining LLC, Warrendale, PA (US);

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

William R Harp

Int. Cl.
CPC ...
B65G 19/20 (2006.01); B65G 17/40 (2006.01); E21C 35/20 (2006.01); B65G 21/20 (2006.01); B65G 17/06 (2006.01); B65G 19/18 (2006.01); B65G 19/24 (2006.01); E21F 13/06 (2006.01); B65G 17/44 (2006.01); B65G 19/08 (2006.01); B65G 23/06 (2006.01); B65G 17/26 (2006.01); B65G 21/12 (2006.01); E21C 25/34 (2006.01); E21C 31/06 (2006.01); B65G 23/08 (2006.01); B65G 23/22 (2006.01); B65G 17/38 (2006.01); B65G 19/26 (2006.01); B65G 19/22 (2006.01); E21C 31/12 (2006.01);
U.S. Cl.
CPC ...
B65G 19/20 (2013.01); B65G 17/06 (2013.01); B65G 17/26 (2013.01); B65G 17/40 (2013.01); B65G 17/44 (2013.01); B65G 19/08 (2013.01); B65G 19/18 (2013.01); B65G 19/205 (2013.01); B65G 19/24 (2013.01); B65G 21/12 (2013.01); B65G 21/2045 (2013.01); B65G 23/06 (2013.01); B65G 23/08 (2013.01); B65G 23/22 (2013.01); E21C 25/34 (2013.01); E21C 31/06 (2013.01); E21C 35/20 (2013.01); E21F 13/066 (2013.01); B65G 17/38 (2013.01); B65G 19/22 (2013.01); B65G 19/26 (2013.01); B65G 2201/045 (2013.01); B65G 2207/48 (2013.01); B65G 2812/0295 (2013.01); B65G 2812/0297 (2013.01); E21C 31/12 (2013.01);
Abstract

A conveyor chain includes a first flight including a first side portion having a first aperture, a first flight bar, and a first sprocket-engaging portion. The conveyor chain also includes a second flight including a second side portion having a second aperture, a second flight bar, and a second sprocket-engaging portion. The conveyor chain further includes a connecting pin having a first end portion received within the first aperture and a second end portion received within the second aperture. The connecting pin couples the first and second flights together. The first sprocket-engaging portion is positioned laterally outwardly of the first end portion of the connecting pin and the second sprocket-engaging portion is positioned laterally outwardly of the second end portion of the connecting pin.

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