Supports – Machinery support – Movable machine
Patent
1980-03-25
1982-12-21
Foss, J. Franklin
Supports
Machinery support
Movable machine
173 43, F16M 100
Patent
active
043645402
ABSTRACT:
A mining drill comprising a rail along which a mining drill head is slidably rectilinear, this rail being carried by a hydraulic motor pivotally connected to a rotary head at the end of an arm swingable about a pivot axis which is generally horizontal and is formed by a column or post. A first hydraulic motor is provided to rotate the post about a generally upright axis and hydraulic cylinders can be provided to swing the post about a pivot close to its pedestal. The device is designed to support the rail so that substantially parallel holes can be drilled in a subterranean structure in practically any direction, e.g. with any inclination to the axis of the main gallery, but especially parallel thereto.
REFERENCES:
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patent: 3481409 (1969-12-01), Westerlund
patent: 3565184 (1971-02-01), Alvsjo et al.
patent: 3721304 (1973-03-01), Hanson
patent: 3796401 (1974-03-01), Mikhailovich
patent: 3896885 (1975-07-01), Dahlstrom et al.
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patent: 4232849 (1980-11-01), Kimber
patent: 4266749 (1981-05-01), Lundstrom
patent: 4267892 (1981-05-01), Mayer
Etablissements Montabert S.A.
Foss J. Franklin
Ross Karl F.
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