Drill box support mechanism for mining bolter machines
Patent
·
OSTI ID:5625719
A drill box support mechanism for a mining bolter machine is driven by a hydraulic motor and drives a drill steel through a drill chuck. The drill box is supported on a support plate by a spring washer that extends over a central lip at the bottom of the drill box. A rod descends downwardly from the drill box offset from the center of rotation and engages a hole in the support plate.
- Assignee:
- Ingersoll-Rand Company
- Patent Number(s):
- US 4554984
- OSTI ID:
- 5625719
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
COAL MINES
DESIGN
DRILLING EQUIPMENT
EQUIPMENT
INSTALLATION
MECHANICAL STRUCTURES
MINES
MINING
MINING EQUIPMENT
ROOF BOLTS
STRATA CONTROL
SUPPORTS
UNDERGROUND FACILITIES
UNDERGROUND MINING
012000* -- Coal
Lignite
& Peat-- Mining
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
COAL MINES
DESIGN
DRILLING EQUIPMENT
EQUIPMENT
INSTALLATION
MECHANICAL STRUCTURES
MINES
MINING
MINING EQUIPMENT
ROOF BOLTS
STRATA CONTROL
SUPPORTS
UNDERGROUND FACILITIES
UNDERGROUND MINING