Tip and mineral cutter pick
AssigneeInnovation LLC
InventorGeorge A. Parrott
Life of this patent
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Abstract
A mineral cutter tip 14 comprises a bottom face 15 and a rear face 16 located in "V"-formation whereby the tip 14 is, in use, seated in a "V"-notch 7 provided in a head 2 of a mineral cutter pick 1, the tip 14 further comprising a front cutting face 17 and, reawardly thereof, a water-conveying slit or slot 20 provided intermediate opposed, lateral side faces 19 of the tip 14, and having a water inlet end 23 emerging at the rear face 16 of the tip 14 and a water outlet end 24 emerging at the top face 18 of the tip 14. The invention also includes a pick 1 provided with a tip 14 as defined.
Claims10
A mineral cutter tip comprising a bottom face and a rear face located in "V"-formation whereby said tip is, in use, seated in a "V"-notch provided in a head of a mineral cutter pick, said tip further comprising a front cutting face, a top face and opposed, lateral side faces and, rearwardly of said front cutting face having regard to the direction of displacement of said tip and pick, in use, there is provided a water-conveying slit between said lateral side faces, with a water inlet end of said slit emerging at said rear face of said tip and a water outlet end emerging at said top face of said tip.
A mineral cutter pick comprising a pick head and a shank by which the pick is releasably securable in a pick box, the head being provided with a tip comprising a bottom face and a rear face located in "V"-formation whereby said tip is, in use, seated in a "V"-notch provided in a head of a mineral cutter pick, said tip further comprising a front cutting face, a top face and opposed, lateral side faces and, rearwardly of said front cutting face having regard to the direction of displacement of said tip and pick, in use, there is provided a water-conveying slit between said lateral side faces, with a water inlet end of said slit emerging at said rear face of said tip and a water outlet end emerging at said top face of said tip, and said pick also being provided with a water discharge nozzle so located with respect to said slit as to direct water through and along said slit to a clearance rake zone located rearwardly of said pick, with respect to the direction of pick displacement, in use, and remote from said front cutting face of said tip.
Dependencies are inferred from the claim text.