US 11,440,736 B2Granted

Chain conveyor

AssigneeJoy Global Underground Mining LLC

InventorsAaron Philip Walker, Christopher George Stewart

Life of this patent

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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.

Claims20

Dependent claims

A conveyor chain comprising:

a first flight including a first side portion having first and second apertures, a first flight bar, and a first sprocket-engaging portion, the first sprocket-engaging portion including a first central axis positioned between the first and second apertures in a direction of travel of the conveyor chain;
a second flight including a second side portion having third and fourth apertures, a second flight bar, and a second sprocket-engaging portion, the second sprocket-engaging portion including a second central axis positioned between the third and fourth apertures in the direction of travel of the conveyor chain;
a first coupler link coupled to the first and second flights by a first connecting pin extending between the first aperture of the first flight and the third aperture of the second flight;
and
a second coupler link coupled to the first and second flights by a second connecting pin extending between the second aperture of the first flight and the fourth aperture of the second flight.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/234,048Filed 19 Apr 2021 · continuation
Priority: 6 Mar 2017
Published: US 2021/0237979 A15 Aug 2021
Granted: 13 Sep 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification29 codes

B65G 19/20
Details: traction chains, ropes, or cables
B65G 17/06
Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying…:…
B65G 17/26
Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying…:…
B65G 17/40
Chains or like traction elements ; Connections between traction elements and load-carriers: chains acting as load-carriers

Family

Application62/467,769Us provisional application · filed 6 Mar 2017
Application62/467,773Us provisional application · filed 6 Mar 2017
Application62/467,766Us provisional application · filed 6 Mar 2017
Application62/467,767Us provisional application · filed 6 Mar 2017
Application62/467,761Us provisional application · filed 6 Mar 2017
Application62/467,770Us provisional application · filed 6 Mar 2017
Application15/913,821Parent of this continuation · filed 6 Mar 2018
Application16/572,133Parent of this continuation · filed 16 Sep 2019
US 10,414,594 B2Parent of this continuation · filed 17 Sep 2019
US 2021/0237979 A1Pre-grant publication · published 5 Aug 2021
US 10,981,728 B2Parent of this continuation
US 2018/0251312 A1Published application
US 2020/0010277 A1Published application
US 11,440,736 B2This patent

From the US filing history. Foreign family members aren’t listed.