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US 2014/0286738 A1Published application
Continuous-extraction mining system
OwnerJoseph J. Zimmerman, Jared Greeninventors
Life of this patent
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Abstract
A material extraction system for an underground mine includes a mobile sizer for sizing removed material, an elevated bunker operable to collect the sized material, and a shuttle car operable to receive the collected material from the elevated bunker. The shuttle car is positioned substantially below the elevated bunker for receiving the collected material from the elevated bunker.
Claims20
A bunker comprising:
- a collection portion configured to receive sized material from a sizer unit, and having a bottom opening;
- a base member coupled to the collection portion for movement relative to the bottom opening;
- and
- a plurality legs coupled to the collection portion, wherein the collection portion is positioned to allow a haulage vehicle to be positioned underneath the collection portion so that sized material can be moved to the haulage vehicle through the bottom opening when the base member moves relative to the bottom opening.
1 more element
An elevated bunker comprising:
- a collection portion having a bottom opening;
- a base member coupled to the collection portion for movement relative to the bottom opening;
- a plurality of telescoping legs, wherein each of the legs is telescopically movable between an extended position and a retracted position;
- a plurality of drive treads coupled to the plurality of telescoping legs, each of the plurality of drive treads engageable with a floor and rotatable about a generally vertical axis.
1 more element
Dependencies are inferred from the claim text.