Armored face conveyor extendable at head gate end

US8960417B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8960417-B2
Application numberUS-76740610-A
CountryUS
Kind codeB2
Filing dateApr 26, 2010
Priority dateApr 28, 2009
Publication dateFeb 24, 2015
Grant dateFeb 24, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A device is provided for detecting and adjusting the tension of the scraper chain. The device identifies broken chain as it leaves the return sprocket and enters the top race of the conveyor. When detected, the chain can be stopped automatically by the armored face conveyor control system, to avoid the potential for further damage, and warn the operators that repair of the chain is required. The device also provides a conveyor with sliding frames at both ends to allow the conveyor ends to be independently adjusted to each end of the coal block, whilst maintaining good chain tension and control.

First claim

Opening claim text (preview).

The invention claimed is: 1. A conveyor apparatus including a first conveyor, a frame having a return frame portion, an intermediate frame portion adjacent the return frame portion, and a drive frame portion adjacent the intermediate frame portion, the return and intermediate frame portions being movable with respect to each other generally along a longitudinal axis of the conveyor, the drive frame portion having a delivery end and being movable with respect to the intermediate…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • B65G43/06Primary

    Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • B65G21/00Primary

    Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US8960417B2 cover?
A device is provided for detecting and adjusting the tension of the scraper chain. The device identifies broken chain as it leaves the return sprocket and enters the top race of the conveyor. When detected, the chain can be stopped automatically by the armored face conveyor control system, to avoid the potential for further damage, and warn the operators that repair of the chain is required. …
Who is the assignee on this patent?
Vasey Ronald P, Joy Mm Delaware Inc
What technology area does this patent fall under?
Primary CPC classification B65G43/06. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).