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Class Number: 175 Class Title: BORING OR PENETRATING THE EARTH Subclass Subclass Number Title 1 WITH SEISMIC SHOCK GENERATING 2 BORING WITH EXPLOSION IN INACCESSIBLE HOLE 3 .Severing formed core by explosion 3.5 .Explosive charge carried by projectile 4 .Driving core receiver by explosion or with receptacle collecting material in bore 4.5 .Directing successive projectiles or charges in same path 4.51 .With position orienting or indicating 4.52 .With wall engaging packer or anchor 4.53 .Firing chamber movable in bore relative to carrier or another firing chamber 4.54 .With bore condition firing control, or compensating means 4.55 .Independent firing of plural charges 4.56 .Firing control mechanically actuated in bore 4.57 .Projectile forms bore 4.58 ..With means to initially restrain projectile for pressure build-up 4.59 ..With means to prevent preliminary bore fluid contact 4.6 .Concave-shaped charge 5 BORING A SUBMERGED FORMATION 6 .Boring with underwater tool drive prime mover 7 .Boring from floating support with submerged independent anchored guide base 8 .Boring from submerged buoyant support 9 .Boring from nonbuoyant support 10 .Boring with submersible vertically movable guide 11 BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE 12 .Combustion of the formation material 13 .With introduction of slag forming flux 14 .Combustion is confined chamber having restricted discharge orifice 15 .Rotating the heating tool 16 .Electrically produced heat 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) 20 .Combined with earth removal (e.g., removing sample) 21 .Fluid passage to exterior of drive point 22 .Drive point detached from shaft to form cased bore or with installation of casing 23 ..Drive point retracted through shaft or casing 24 AUTOMATIC CONTROL 25 .Of fluid pressure below ground 26 .Of boring means including a below-ground drive prime mover 27 .Of advance or applied tool weight 38 .In response to drilling fluid circulation 39 WITH BIT WEAR SIGNAL GENERATING 40 WITH SIGNALING, INDICATING, TESTING OR MEASURING 41 .Ray energy detection or measuring 42 .Indicating agent released in drilling fluid 44 .Providing identifiable indication of core position in situ forr core sample orientation 45 .Tool position direction or inclination measuring or indicating within the bore 46 .Signaling or indicating condition of cutting in cuttings retainer 48 .Measuring or indicating drilling fluid (1) pressure, or (2) rate of flow 49 .Transparent inspection feature 50 .Indicating, testing or measuring a condition of the formation 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 58 .Sampling of earth formations 59 ..Retaining fluid or taking separate fluid sample 60 ..Transporting sample to surface by fluid 61 .Boring curved or redirected bores 62 .Boring horizontal bores 64 .Chemical reaction with earth formation or drilling fluid constituent 65 .Boring with specific fluid 66 ..Treating spent or used fluid above ground 67 ..Boring by fluid erosion 68 ..Anti-agglomeration treatment of gaseous drilling fluid 69 ..Combined liquid and gaseous fluid 70 ..Plural distinguishable liquids 71 ..Gaseous fluid or under gas pressure 72 ..Prevention of lost circulation or caving 73 MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH 74 .Sectional guide or shaft having means to lock sections in angular relation while boring 75 .Normally curved guide or shaft 76 .Axially spaced opposed bore wall engaging guides 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 80 .Tool telescopes over guide having surface set at angle in hole 81 .With anchor for guide engaging hole side wall 82 .Guide carried by shaft to operative position 83 ..With clutch means acting between shaft and guide 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 ACCOMMODATIONN 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 90 .Flexible or articulated member carried on support swingable or laterally movable relative to bore axis 91 BORING MEANS INCLUDING A CONTINUOUSLY ROTATING BIT DESCRIBING A NONCIRCULAR CROSS-SECTIONAL BORE 92 WITH BELOW-GROUND TOOL DRIVE PRIME MOVER 93 .Below-ground (1) generation of motive fluid, or (2) storage of motivating energy 94 .With below-ground feed means 95 .Plural below-ground drive prime movers 96 ..Plural cutter elements driven by individual prime movers 97 .With means to anchor prime movers support to bore wall 98 ..Expansible anchor 99 ...Fluid-operated 100 .Discharge passage for motive fluid directed toward bore entrance 101 .With positive connection between tool and support shaft for rotary below ground motor 102 .With below-ground conveyer or impeller for removal of cuttings 103 .With above-ground means 104 .Electric 105 ..Reciprocating 106 .With mechanical motion-converting means 107 .Fluid rotary type 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 114 .Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate 118 .With feed anchor in earth wall being bored 121 .Rotary drive for relatively advancing feed screw 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 171 .With installing casing 172 .With endless flexible conveyer 173 .With diversely operated shafts extending into bore 189 .Drive reciprocates tool 195 .Rotary drive for a relatively advancing tool (e.g., rotary table) 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 208 .Fluid sprayy 209 .Fluid or cuttings directing or receiving means engaging bore entrance 210 ..Anchored to bore wall 211 ..Axially supported by tool shaft 212 .Pressurized gas supply 213 .With suction pump inlet communicating with bore bottom 214 .Fluid head on tool shaft having lateral port and axial passage with seal for means reciprocable in the head 215 .With tool shaft having plural passages for drilling fluid 216 .Standpipe 217 .With pump 218 .With valve 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 228 .With fluid pressure-actuated feed means 229 .Rotation of bit actuates lubricant feed means 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 233 .Movable to seal sample receiver at bore bottom pressure 234 .With longitudinally spaced valve seats 235 ..Seat engaged to stop upward flow 236 .In sample receiver removable through below-ground tool shaft 237 .Means comprises dropped element 238 .Flow-stopping means includes relatively movable cutter element 239 .With undisturbed core receiver 240 ..Movable means adapted to underlie severed core 241 .Stops flow by movement about fixed pivot 242 ..Pivot transverse to tool axis 243 .Resiliently biased or composed of flexible material 244 WITH MEANS MOVABLE RELATIVE TO TOOL TO RECEIVE, RETAIN, OR SEVER UNDISTURBED CORE 245 .Core bit closure relative upwardly movable by core 246 .Receiver removable through below-ground tool shaft 247 ..With fluid pressure-responsive means to remove receiver or operate latch 248 ..Core forming cutting edge or element on receiver 249 .Core-retaining or severing means 250 ..Fluid-actuated 251 ..Actuated upon relative movement between tool and tool shaft 252 ...Relative rotary movement 253 ..With element holding retaining or severing means inactive 254 ..Mounted on transverse pivot 255 ..Sliding wedge type (e.g., slips) 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 258 .Laterally shiftable cutter element movable through shaft 259 ..Plural cutter elements longitudinally relatively movable into transverse alignment 260 ..Cutter element engages torque transmitting abutment on shaftt when expanded 261 ...With additional torque transmitting abutment on bit head and shaft 262 .Tool movable exteriorly of shaft 263 CUTTER ELEMENT LATERALLY SHIFTABLE BELOW GROUND (E.G., EXPANSIBLE) 264 .With separable means holding tool collapsed above ground only 265 .Plural cutter elements longitudinally relative movable into transverse alignment 266 .Plural selectively shiftable cutter elements 267 .Cutter element shifted by fluid pressure 268 ..With dropped element 269 ..Fluid pressure acts against spring biased part 270 .Cutter element shifted by dropped element 271 .With latch operated by fluid pressure or dropped element 272 .Cutter element shifted by relatively longitudinally movable threaded elements 273 .Cutter element shifted by cam or gear axially rotatable relative to shaft 274 .With shifting mechanism spring biased to operative position 275 ..With separate latch 276 ...Frangible or discardable element 277 ...Latch holds mechanism retracted 278 ....Latch return shifting mechanism to inoperative position 279 ..Cam or gear means movable to shift cutter element 280 ...With forwardly extending noncutting portion 281 ..Cutter element substantially longitudinally movable on shaft 282 ...Plural elements expanded into single socket 283 ...With forwardly extending noncutting portion 284 .Cutter element shifted by longitudinally relatively movable parts 285 ..Toggle or linkage between movable parts 286 ..Cam or gear engaging cutter element 287 ...With separate latch holding cutter element in shifted position 288 ...Cutter element substantially longitudinally movable on shaft 289 ...Cutter element spring biased to retracted position 290 .With latch 291 .Spring biased 292 .Pivoted about substantially longitudinal axis 293 BELOW-GROUND (1) HAMMER, OR (2) IMPACT MEMBERS 294 .Combined with safety joint 295 .With noncutting portion forwardly of sleeve impact member having a cutting portion (e.g., reamer) 296 .Fluid-operated 297 ..Restricted orifice for initially delaying escape of restraining fluid 298 .Continuous unidirectional rotary motion of one telescoping member effects consecutive impacts 299 .Resiliently biased 300 .With releasable means to detachably retain telescoping members against axial reciprocation 301 ..Frangible 302 ..Condition for release adjustable 303 ...Adjustable below ground 304 ..Resiliently biased latch 305 .Telescoping members relatively rotatable 306 ..With means to couple members to prevent relative rotationn 307 WITH CUTTING EDGE COVER 308 WITH RECEPTACLE 309 .Removable or insertable through below-ground tool shaft 310 .With helical conveyer 311 .Suspended below bit 312 .Sieve or strainer 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 318 .Valve prevents upward flow 319 BELOW-GROUND MECHANICAL MOTION CONVERTING MEANS RELATIVELY MOVING PLURAL CUTTING EDGES 320 WITH TOOL SHAFT DETAIL 321 .Axially telescoping shaft section 322 ..Telescoping motion related to relative axial rotation or oscillation 323 .Helix or helically arranged structure 324 .Means other than tool structure to induce fluent flow 325.1 .Shaft carried guide or protector 325.2 ..Coupled between shaft sections or bit and shaft section 325.3 ...With bore wall engaging means rotatable relative to shaft section (e.g., with bearings) 325.4 ...Having removable inserts 325.5 ..Surrounding existing shaft section 325.6 ...Held by a fastener parallel to shaft axis 325.7 ...Held by discrete fastening means tangential to shaft axis 326 ..Engaging means advances in adjacent hole 327 BIT OR BIT ELEMENT 331 .Rolling cutter bit or rolling cutter bit element 332 ..Core forming-type bit 333 ...With core-breaking means 334 ..Bit with leading cutter forming smaller diameter initial bore 335 ...Leading fixed cutter 336 ..Rolling cutter bit with fixed cutter 337 ..With drilling fluid supply to bearing 338 ..With rotary or endless carrier 339 ..With drilling fluid conduit details 340 ...Fluid conduit lining or element (e.g., slush tube or nozzle) 341 ..Plural rolling cutters with intermeshing teeth 342 ..Adjustable cutter element 343 ..Wobbling cutter 344 ..Noncutting portion forwardly of rolling cutter (e.g., reamer) 345 ...Longitudinal axis cutter 346 ....Separable support for cutter axle 347 ....Removable axle or bushing 348 ..Longitudinal axis cutter 349 ...With transverse axis cutter 350 ..Laterally offset cutter axis 351 ...Disk blade 352 ....Plural coaxial cutters 353 ...Cone or frustum rolling cutter 354 ..Axle rotatable with cutter 355 ..Circumferentially displaced cutter axess 356 ...Stub axle only 357 ...Detachable multiaxis support or spider 358 ...Mutually contacting cutter supports 359 ....With bearing or seal details 360 ..Cross axle with stub axle 361 ..Cross axle 362 ...Vertically disaligned cross axle sections 363 ...Separable supports 364 ...Removable cross axle or bushing 365 ..Outwardly directed stub axle 366 ..Separable support for stub axle 367 ..Detachable stub axle, bushing or bearing 368 ...Releasable cutter securing device 369 ..Stub axle cutter securing means 370 ...Released by antifriction bearing disassembly 371 ..With bearing or seal details 372 ...Antifriction type 373 ..Disk cutter 374 ..Specific or diverse material 375 ...Welded 376 ..Nonsymmetrical bit (e.g., nontracking) 377 ..Spiral rib or tooth row 378 ..Irregular tooth cutter row 379 .Cutting edge self-renewable during operation 380 .Unsupported abrading particle type (e.g., shot) 381 .Cutting edges relatively longitudinally movable during operation 382 .Adjustable cutter element 383 ..Adjustment presents different cutting edge 384 ..Radially adjustable 385 .Bit with leading portion (e.g., pilot) forming smaller diameter initial bore 386 ..Leading portion is separable starter 387 ..Leading portion is core forming type 388 ..Leading portion is a screw 389 ..Impact type 390 ...Plural larger diameter steps 391 ..Plural larger diameter steps 392 ..Leading portion is forked rotary type 393 .With fluid conduit lining or element (e.g., slush tube) 394 .With helical-conveying portion 395 ..Impact type 396 .Axially parallel side wall with transverse cuttings retaining portion 397 .Forked rotary nontracking 398 .Nonsymmetrical bit 399 ..With bore wall engaging guide 400 ..Nonsymmetrical arrangement of opening for cuttings or fluid 401 .Cutting edges facing in opposite axial directions 402 .Casing shoe type 403 .Core forming type 404 ..With core-breaking means 405 ..Impact or percussion type 405.1 ..Includes diamond 406 .Noncutting portion forwardly of cutting portion (e.g., reamer) 407 ..Impact type 408 .With bit guide or bore wall compacting device 412 .Plural separable cutter elementss 413 ..Independently attachable 414 .Impact or percussion type 415 ..Combined with rotary 416 ..Noncircular bore cutter 417 ..With internal-fluid passage 418 ...Plural openings 419 ...Cruciform 420 ..Cruciform 420.1 ..Insert 420.2 ...Includes diamond 421 .Symmetrical forked rotary type (e.g., fishtail) 328 .Magnetized or with magnet 425 .Specific or diverse material 426 ..Insert 427 ...In a mining pick 428 ...Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank) 429 ....Including a nozzle 430 ....Having a noncircular or nonplanar cutting face 431 ....Having a particular orientation or location 432 ....With support detail 433 ....Having a specified thermal property 434 ..Diamond 435 ..Welded, brazed, or soldered 424 MISCELLANEOUS (E.G., EARTH-BORING NOZZLE) 423 WEDGING SLIP ASSEMBLY FOR SUPPORTING A PIPE OR ROD