Mining machine for extraction of minerals
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 2, 1985
Grant Date -
N/A
app pub date -
Oct 19, 1982
filing date -
Oct 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mining machine comprises a body, drum-type cutting heads, a gantry coupled with the body, adjustable hydraulic supports disposed inside the body, grippers hinge-connected to the body by means of levers located in parallel to one another and adapted to permit moving the machine in a vertical direction, and links, each coupled with the respective top lever and with the respective hydraulic support.
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Cited Art Landscape
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