Class   175	BORING OR PENETRATING THE EARTH
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1

WITH SEISMIC SHOCK GENERATING

2

BORING WITH EXPLOSION IN INACCESSIBLE HOLE

5

BORING A SUBMERGED FORMATION

11

BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE

17

WITH HEATING OR COOLING (1) WITHIN THE BORE, OR (2) DRILLING FLUID

18

ICE BORING

19

BORING WITHOUT EARTH REMOVAL (I.E., COMPACTING EARTH FORMATION)

24

AUTOMATIC CONTROL

39

WITH BIT WEAR SIGNAL GENERATING

40

WITH SIGNALING, INDICATING, TESTING OR MEASURING

51

WITH SELF-ACTING CYCLIC ADVANCE AND RETRACTION OF TOOL OR TOOL SHAFT

52

WITH MAGAZINE FOR SUCCESSIVELY MOVING UNCONNECTED, ORIENTED TOOL OR SHAFT SECTIONS TO USE POSITION

53

ENLARGEMENT OF EXISTING PILOT THROUGHBORE REQUIRING ACCESSIBILITY TO EXISTING OPPOSITE BORE ENDS TO INSERT AND REMOVE TOOL

54

BORING BY BELOW GROUND RECIRCULATION OF UNSUPPORTED ELEMENTS (E.G., SHOT)

55

TOOL ACTUATION BY REACTION OF ROTATING ECCENTRIC MASS

56

NATURAL VIBRATION CHARACTERISTIC OF AN ELEMENT OF BORING MEANS RELATED (1) TO NATURAL VIBRATION CHARACTERISTIC OF ANOTHER ELEMENT, OR (2) TO FREQUENCY OF AN IMPOSED MOTION

57

PROCESSES

73

MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH

77

SIDE WALL TOOL FED LATERALLY WITHOUT ROTATION FROM INACCESSIBLE HOLE

78

MEANS CARRIED BY HOUSING INSERTABLE IN INACCESSIBLE HOLE TO ADVANCE SIDE WALL TOOL LATERALLY

79

TOOL SHAFT ADVANCED RELATIVE TO GUIDE INSERTABLE IN INACCESSIBLE HOLE TO CHANGE DIRECTION OF ADVANCE

84

WITH ABOVE-GROUND CLEANER FOR BORING MEANS

85

WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING

86

WITH BELOW-GROUND PERSONAL ACCOMMODATION

87

CONVERTIBLE

88

WITH MEANS CARRYING CUTTINGS LATERALLY OF BORE AXIS COMPRISING (1) CHUTE, (2) CONVEYER, OR (3) VEHICLE

89

TOOL ELEMENT OR CONTINUOUSLY DRIVEN FLEXIBLE OR ARTICULATED ENDLESS MEMBER

91

BORING MEANS INCLUDING A CONTINUOUSLY ROTATING BIT DESCRIBING A NONCIRCULAR CROSS-SECTIONAL BORE

92

WITH BELOW-GROUND TOOL DRIVE PRIME MOVER

108

COMMON DRIVE OR ADVANCING MEANS FOR CONCURRENTLY BORING ALONG LATERALLY SPACED AXES

113

WITH MEANS TO SIMULTANEOUSLY FEED AND ROTATE TOOL FROM A SINGLE MECHANICAL ELEMENT

122

WITH MEANS TO FEED DRIVE

135

WITH ABOVE-GROUND MEANS TO IMPACT AN EARTH-PENETRATING MEANS

161

WITH ABOVE-GROUND MEANS TO MOVE TOOL TO A DUMPING LOCATION OFFSET FROM BORE

162

WITH ABOVE-GROUND MEANS TO FEED TOOL

170

WITH TOOL DRIVE PRIME MOVER OR ABOVE-GROUND MECHANICAL MOTION CONVERTING DRIVE MEANS

202

ABOVE-GROUND MEANS FOR RELATIVELY MOVING BELOW-GROUND TOOL ELEMENTS

203

WITH ABOVE-GROUND MEANS TO ADVANCE OR RETRACT BORING MEANS

205

WITH MEANS PROVIDING PRESSURIZED GAS CONTACT WITH DRILLING LIQUID

206

WITH ABOVE-GROUND MEANS FOR PREPARING OR SEPARATING DRILLING FLUID CONSTITUENTS

207

WITH ABOVE-GROUND MEANS FOR HANDLING DRILLING FLUID OR CUTTING

219

WITH PARTICULAR ACCOMMODATION FOR PERSONNEL (E.G., SEAT OR PROTECTOR)

220

WITH ABOVE-GROUND GUIDE FOR RELATIVELY ADVANCING TOOL

226

WITH SAMPLE COVERING OR COATING MEANS (1) DISPENSED INTO SAMPLE RECEIVER, OR (2) FLUENT

227

WITH STORAGE MEANS FOR BIT LUBRICANT CARRIED BY BIT OR SHAFT

230

WITH EXPANSIBLE BORE WALL ANCHOR (E.G., PACKER)

231

WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO CONTROL ECCENTRIC FLUID EMISSION

232

WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO STOP FLOW TOWARD BORE BOTTOM

244

WITH MEANS MOVABLE RELATIVE TO TOOL TO RECEIVE, RETAIN, OR SEVER UNDISTURBED CORE

256

WITH RELEASABLE MEANS NORMALLY HOLDING JOINTED SHAFT SECTIONS IN ANGULAR RELATION

257

TOOL REMOVABLE OR INSERTABLE THROUGH OR AROUND DRIVING OR DRIVEN SHAFT OR CASING

263

CUTTER ELEMENT LATERALLY SHIFTABLE BELOW GROUND (E.G., EXPANSIBLE)

293

BELOW-GROUND (1) HAMMER, OR (2) IMPACT MEMBERS

307

WITH CUTTING EDGE COVER

308

WITH RECEPTACLE

313

WITH MECHANICAL CLEANER FOR BIT OR CUTTER ELEMENT

314

WITH WELL-TYPE SCREEN

315

COMBINED

316

WITH RELATIVELY MOVABLE PARTS TO FACILITATE CLEANING WITHOUT DISASSEMBLY

317

WITH MEANS MOVABLE RELATIVE TO TOOL OR SHAFT TO CONTROL BELOW-GROUND PASSAGE

319

BELOW-GROUND MECHANICAL MOTION CONVERTING MEANS RELATIVELY MOVING PLURAL CUTTING EDGES

320

WITH TOOL SHAFT DETAIL

327

BIT OR BIT ELEMENT

424

MISCELLANEOUS (E.G., EARTH-BORING NOZZLE)

423

WEDGING SLIP ASSEMBLY FOR SUPPORTING A PIPE OR ROD

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