Mine drill system with adapter
AssigneeJ.H. Fletcher & Co.
InventorsGregory E. Hinshaw, Timothy D. Burgess
Life of this patent
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Abstract
A system for securing different first and second drill tools to a drill head including a socket is provided. The system includes a chuck adapted for positioning at least partially within the socket of the drill head, the chuck including a first opening for receiving the first drill tool. An adapter is configured for forming a selective locking engagement within the first opening of the chuck, the adapter including a second opening for receiving the second drill tool. The selective locking engagement may comprise a “twist lock” engagement, and the adapter may be arranged for receiving a roof bolt. Related methods are also disclosed.
Claims20
A system for securing different first and second drill tools to a drill head including a socket, comprising:
- a chuck adapted for positioning at least partially within the socket of the drill head, the chuck including a first opening adapted for receiving the first drill tool;
- and
- an adapter configured for forming a selective locking engagement within the first opening of the chuck, the adapter including a second opening for receiving the second drill tool.
An apparatus for drilling using a drill head including a socket, comprising:
- a drill tool having a proximal end and a distal end;
- and
- an adapter including a variable diameter opening for receiving the proximal end of the drill tool.
The apparatus of claim 15, wherein the plurality of external projections provide the adapter with a petaloidal cross-sectional shape.
A method of drilling, comprising:
- providing an adapter including a plurality of outward projections and a depending portion and into a chuck including a plurality of grooves for engaging the projections;
- at least partially inserting the depending portion of the adapter into the chuck;
- rotating the chuck to align the projections with the grooves;
- and
- further inserting the adapter into the chuck.
Dependencies are inferred from the claim text.