A roof or rib bolting device comprising of 2 or more square rod slide-ways with a square sleeve and seal arrangement. The device may be powered by hydraulic, pneumatic, electric or a combination of these. Extension/retraction of the bolting device may be by cylinders, screws, chains or motors.
A Provisional patent application filed on 15 July 2014 credited to Flynn, Daniel Marcus
Details
Application number :
2014902715
Application type :
Provisional
Application status :
FILED
Under opposition :
No
Proceeding type :
Invention title :
A roof or rib bolting device comprising of 2 or more square rod slide-ways with a square sleeve and seal arrangement. The device may be powered by hydraulic, pneumatic, electric or a combination of these. Extension/retraction of the bolting device may be by cylinders, screws, chains or motors.