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US 2010/0059281 A1Published application
External water delivery system for rock drills
AssigneeLongyear TM, Inc.
InventorWilliam James Murray
Life of this patent
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Abstract
An external water delivery system includes a water box front head, a collet configured to interface with the water box front head, a polymer sleeve configured to be positioned between the water box front head and the collet, a shank, and at least one seal positioned within the sleeve. The sleeve and seals are configured to provide a water chamber when coupled to the shank. An inner of the sleeve provides a bearing surface for the shank.
Claims13
An external water delivery system, comprising:
- a water box front head;
- a collet configured to interface with the water box front head;
- a polymer sleeve configured to be positioned between the water box front head and the collet,
- a shank;
- and
- at least one seal positioned within the sleeve, wherein the sleeve and seals are configured to provide a water chamber when coupled to the shank and wherein an inner surface of the sleeve provides a bearing surface for the shank.
3 more elements
An external water delivery system, comprising:
- a water box front head having an inlet;
- a collet configured to interface with the water box front head;
- a reinforced polymer sleeve configured to be positioned between the water box front head and the collet,
- a shank having a first end and a second end, a port inlet defined between the first end and the second end, and a channel defined in the second end and extending into fluid communication with the port inlet;
- and
- at least one seal positioned within the sleeve, wherein the sleeve and seals are configured to provide a water chamber when coupled to the shank, the water chamber being in fluid communication with the inlet and wherein the water chamber is in fluid communication with the port inlet.
3 more elements
A rock drilling system, comprising:
- a drifter cylinder;
- a shank operatively associated with the drifter cylinder, the shank having a first end and a second end, a port inlet defined between the first end and the second end, and a channel defined in the second end and extending into fluid communication with the port inlet;
- and
- an external water delivery system coupled to the drifter cylinder;
- the external water delivery system including a water box front head having an inlet, a collet configured to interface with the water box front head, a reinforced-polymer sleeve configured to be positioned between the water box front head and the collet, and at least one seal positioned within the sleeve, wherein the sleeve and seals are configured to provide a water chamber when coupled to the shank, the water chamber being in fluid communication with the inlet and wherein the water chamber is in fluid communication with the port inlet.
2 more elements
Dependencies are inferred from the claim text.