DEVICE AND METHOD FOR LONGWALL MINING INSTALLATION COURSE DETERMINATION
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United States of America Patent
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Jan 15, 2015
filing date -
Feb 7, 2014
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Abstract
A course measuring device for measuring a course of a longwall mining installation along a longwall face is disclosed. The course measuring device may have a first segment extending along a first axis. The course measuring device may also have a second segment extending along a second axis. The second segment may be movably connected to the first segment. The course measuring device may have a course measuring unit for measuring a spacial relationship between the first axis and the second axis. The course measuring device may also be adapted to move along the longwall mining installation.
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