Mining claw bit

Abstract

A mining bit includes a bit body having a central axis, the bit body having a forward portion with faceted surfaces and a rearward attachment portion. The mining bit further includes a plurality of wings extending from the faceted surfaces of the bit body and arranged about a central hub. A plurality of cutting elements are disposed on distal ends of the wings.

1 . A mining bit, comprising:
 a bit body having a central axis, the bit body comprising a forward portion having faceted surfaces and a rearward attachment portion;   a plurality of wings extending from the faceted surfaces of the bit body and arranged about a central hub;   a plurality of cutting elements disposed on distal ends of the wings.   
   
   
       2 . The mining bit of  claim 1 , further comprising cutting element receptacles to removeably receive the cutting elements. 
   
   
       3 . The bit of  claim 1 , wherein the rearward attachment portion of the bit body is configured to attach to a drill stem. 
   
   
       4 . The bit of  claim 1 , wherein the wings comprise non-coplanar surfaces. 
   
   
       5 . The bit of  claim 4 , wherein the wings comprise a trapezoidal cross-sectional area with a larger base and flat surfaces tapering to a thinner outer cross-sectional area extending radially outwards. 
   
   
       6 . The bit of  claim 1 , wherein the wings comprise coplanar surfaces. 
   
   
       7 . The bit of  claim 1 , wherein the wings are positioned parallel and centered with the central axis of the bit body. 
   
   
       8 . The bit of  claim 1 , wherein the wings are positioned offset and parallel with the central axis of the bit body. 
   
   
       9 . The bit of  claim 1 , wherein the wings are positioned offset and slanted at a longitudinal angle from the central axis of the bit body. 
   
   
       10 . The bit of  claim 1 , wherein the wings are positioned slanted at a longitudinal angle from the central axis of the bit body. 
   
   
       11 . The bit of  claim 1 , wherein the wings are positioned slanted at a radial angle from the central axis of the bit body. 
   
   
       12 . The bit of  claim 1 , wherein the wings are positioned slanted at a longitudinal and radial angle from the central axis of the bit body. 
   
   
       13 . The bit of  claim 1 , wherein the wings are curved. 
   
   
       14 . The bit of  claim 1 , wherein the wings are curved and offset from the central axis of the bit body. 
   
   
       15 . The bit of  claim 1 , wherein the wings are variably spaced around the central axis of the bit body. 
   
   
       16 . The bit of  claim 1 , wherein the central hub is solid. 
   
   
       17 . The bit of  claim 1 , wherein the central hub comprises a through hole. 
   
   
       18 . The bit of  claim 1 , further comprising air passages through the bit body. 
   
   
       19 . The bit of  claim 1 , further comprising removable radial and center nozzles. 
   
   
       20 . The bit of  claim 19 , wherein the air passages are in communication with removable radial and center nozzles. 
   
   
       21 . The bit of  claim 20 , wherein the radial nozzle and center nozzles are adjustable. 
   
   
       22 . The bit of  claim 1 , wherein the cutting elements are spaced evenly along a distal end of the wings. 
   
   
       23 . The bit of  claim 1 , wherein the cutting elements vary in diameter. 
   
   
       24 . The bit of  claim 1 , wherein the central hub is centered about the central axis of the bit body. 
   
   
       25 . The bit of  claim 1 , wherein the central hub is offset from the central axis of the bit body. 
   
   
       26 . The bit of  claim 1 , wherein the central hub comprises a cylindrical outer surface. 
   
   
       27 . The bit of  claim 1 , wherein the central hub comprises a faceted outer surface. 
   
   
       28 . The bit of  claim 1 , further comprising slots milled in the wings to receive cutting element receptacles and cutting elements. 
   
   
       29 . The bit of  claim 1 , further comprising cutting element receptacles formed and drilled in the wings to receive cutting elements. 
   
   
       30 . The bit of  claim 1 , wherein the cutting element receptacles are attached directly to the wings without milling. 
   
   
       31 . The bit of  claim 1 , wherein the central hub is positioned forward the forward portion of the bit body. 
   
   
       32 . A method of assembling a mining bit, the method comprising:
 providing a bit body having a central axis and comprising faceted surfaces on a forward section;   attaching a plurality of wings to the faceted surfaces of the bit body and to a central hub, positioning the central hub forward of the forward section of the bit body;   disposing cutting elements on distal ends of the wings.   
   
   
       33 . The method of  claim 32 , wherein cutting elements are removeably disposed in cutting element receptacles attached to the wings. 
   
   
       34 . The method of  claim 32 , wherein the wings are attached offset from the central axis of the bit body. 
   
   
       35 . The method of  claim 32 , wherein the wings are attached slanted at a longitudinal angle from the central axis of the bit body. 
   
   
       36 . The method of  claim 32 , wherein the wings are curved. 
   
   
       37 . A mining bit, comprising:
 a bit body having a central axis, the bit body comprising a conical forward portion and a rearward attachment portion;   a plurality of wings extending from the conical portion of the bit body and arranged about a central hub;   a plurality of cutting elements disposed on distal ends of the wings.   
   
   
       38 . The mining bit of  claim 37 , further comprising cutting element receptacles to removeably receive the cutting elements. 
   
   
       39 . The bit of  claim 37 , wherein the rearward attachment portion of the bit body is configured to attach to a drill stem. 
   
   
       40 . The bit of  claim 37 , wherein the wings comprise non-coplanar surfaces. 
   
   
       41 . The bit of  claim 40 , wherein the wings comprise a trapezoidal cross-sectional area with a larger base and flat surfaces tapering to a thinner outer cross-sectional area extending radially outwards 
   
   
       42 . The bit of  claim 37 , wherein the wings comprise coplanar surfaces. 
   
   
       43 . The bit of  claim 37 , wherein the wings are positioned parallel and centered with the central axis of the bit body. 
   
   
       44 . The bit of  claim 37 , wherein the wings are positioned offset and parallel with the central axis of the bit body. 
   
   
       45 . The bit of  claim 37 , wherein the wings are positioned offset and slanted at a longitudinal angle from the central axis of the bit body. 
   
   
       46 . The bit of  claim 37 , wherein the wings are positioned slanted at a longitudinal angle from the central axis of the bit body. 
   
   
       47 . The bit of  claim 37 , wherein the wings are positioned slanted at a radial angle from the central axis of the bit body. 
   
   
       48 . The bit of  claim 37 , wherein the wings are positioned slanted at a longitudinal and radial angle from the central axis of the bit body. 
   
   
       49 . The bit of  claim 37 , wherein the wings are curved. 
   
   
       50 . The bit of  claim 37 , wherein the wings are curved and offset from the central axis of the bit body. 
   
   
       51 . The bit of  claim 37 , wherein the wings are variably spaced around the central axis of the bit body. 
   
   
       52 . The bit of  claim 37 , wherein the central hub is solid. 
   
   
       53 . The bit of  claim 37 , wherein the central hub comprises a through hole. 
   
   
       54 . The bit of  claim 37 , further comprising air passages through the bit body. 
   
   
       55 . The bit of  claim 37 , further comprising removable radial and center nozzles. 
   
   
       56 . The bit of  claim 55 , wherein the air passages are in communication with removable radial and center nozzles. 
   
   
       57 . The bit of  claim 56 , wherein the radial nozzle and center nozzles are adjustable. 
   
   
       58 . The bit of  claim 37 , wherein the cutting elements are spaced evenly along a distal end of the wings. 
   
   
       59 . The bit of  claim 37 , wherein the cutting elements vary in diameter. 
   
   
       60 . The bit of  claim 37 , wherein the central hub is centered about the central axis of the bit body. 
   
   
       61 . The bit of  claim 37 , wherein the central hub is offset from the central axis of the bit body. 
   
   
       62 . The bit of  claim 37 , wherein the central hub comprises a cylindrical outer surface. 
   
   
       63 . The bit of  claim 37 , wherein the central hub comprises a faceted outer surface. 
   
   
       64 . The bit of  claim 37 , further comprising slots milled in the wings to receive cutting element receptacles and cutting elements. 
   
   
       65 . The bit of  claim 37 , further comprising cutting element receptacles formed and drilled in the wings to receive cutting elements. 
   
   
       66 . The bit of  claim 37 , wherein the cutting element receptacles are attached directly to the wings without milling. 
   
   
       67 . The bit of  claim 37 , wherein the central hub is positioned forward the forward portion of the bit body.