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US 4,290,648 AGranted
Mining apparatus
AssigneeTaiheiyo Engineering Inc.
InventorsKen Takahashi, Tsunetoshi Ito
Life of this patent
Estimating the term…
Abstract
The present invention is directed to a mining apparatus which includes a position detection device comprising at least one projector and receiver to measure position of the apparatus in a mine by receiving projected signals reflected off an edge of the mine.
Claims13
A mining apparatus comprising
- (A) an apparatus body,
- (B) a drum rotating shaft,
- (C) a board connected to said rotating shaft,
- (D) a linking bar pivotably connecting said apparatus body with said board,
- (E) a position detection device mounted on said board comprising at least one projector and at least one receiver,
- said position detection device measuring the position of said apparatus in a mine by receipt of projected signals reflected off an edge of said mine.
3 more elements
Dependencies are inferred from the claim text.