Universal trailer for a longwall roof support for longwall underground mining
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jul 31, 2003
app pub date -
Jan 6, 2003
filing date -
Jan 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A universal trailer for transporting a variety of longwall roof supports for a longwall underground mine is disclosed, along with a method of using such a trailer. The trailer includes a wheeled, U-shaped frame that can be raised and lowered relative to the ground to lift and off-load a roof support. The trailer includes forward and rearward supports, either of which may be shiftable.
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Family
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Cited Art Landscape
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