Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means
Patent
1976-10-18
1978-05-02
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
With mine roof-supporting means
61 45C, E21C 2902, E21C 2904
Patent
active
040871320
ABSTRACT:
Device for guying a movable cutting machine, particularly a cutting machine provided with a caterpillar drive, in its operating position, and for moving this cutting machine in an ascending gallery being consolidated by means of supporting frames formed of caps and props or posts, characterized in that on the frame of a cutting machine there is provided at least one connecting member for at least one tension member formed of a chain or of a cable and in that the tension member is adapted to be, with interposition of a winch, connected to at least one further connecting member arranged on the cap of at least one supporting frame and releasably connected to said cap.
REFERENCES:
patent: 1183102 (1916-05-01), Morgan
patent: 1729781 (1929-10-01), Holmes
Pate III William F.
Purser Ernest R.
Vereinigte Osterreichische Eisen- und Stahlwerke--Alpine Montan
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