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Class Number: 37 Class Title: EXCAVATING Subclass Subclass Number Title 300 GRAVE DIGGER 301 LAND CLEARER 302 .Tree or stump remover 303 .Stone remover 3 PEAT EXCAVATORS 196 SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE 197 .Process 198 .Railway clearer 199 ..With melter 200 ...Heated plow 201 ..Explosive 202 ..Fluid current conveyor 203 ..For clearing single rail of set 204 ...Electrified rail 205 ...Including rotary excavating tool 206 ....And scraper blade 207 ...Including means clearing side of, or groove in, rail 208 ..With endless conveyor 209 ..Having rotary excavating tool 210 ...Plural rotary tools 211 ....Diverse tools performing different stages of operation 212 ....And V-shaped scraper blade 213 ...Screw-type auger 214 ..Having scraper blade 215 ...Inclined plane with V-divider 216 ....Having auxiliary blade or shiftable divider 217 ...V-shaped 218 ...Diagonal 219 .Snow or ice surface groomer 220 ..Including rut cutter 221 ..Having diverse tools 222 ...Including rotary tool 223 ..Having rotary tool 224 ...Compacting roller 225 .With compressor die 226 ..And heater 227 .With melter 228 ..Having heated transport chamber 229 ...Electric or solar heat source 230 ..Manually powered 231 .With specific means to facilitate connection to, or disconnection from, vehicle 232 .Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush) 233 ..Resilient impeller or blade 234 .Including specific hydraulic control system to position implement 235 .Vehicle mount including power lift 236 ..Power means is hydraulically actuated piston 237 .With endless conveyor 238 ..And rotary excavating tool 239 ..Multistage conveyorss 240 ..Carrying excavating tool 241 .Combined or convertible 242 ..Rotary excavating tool 243 ...Lawnmower 244 .Motorized rotary excavating tool 245 ..Tool arresting means responsive to sensed condition 246 ..Electric motor drive 247 ..Rotor shaft adjustable relative to direction of travel 248 ..Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.) 249 ...Including screw-type auger for first stage 250 ....Augers on separate shafts 251 ....And centrifugal impeller for final stage 252 .....Auger and impeller on single shaft 253 ..Fed by scraper blade 254 ...Including screw-type auger 255 ....Augers on separate shafts 256 ...Including centrifugal impeller 257 ..Screw-type auger 258 ...Having plural vane segments 259 ..Centrifugal impeller 260 ..Having specific flow guide 261 ...Having motor powered adjustment 262 ...Vane within chute controls flow path 263 .Tool prepares wheel path for passage of wheel 264 .Scoop 265 ..Manually powered 266 .Scraper blade 267 ..Invertible 268 ..Pulled (e.g., by horse or vehicle) 269 ...V-shaped 270 ..Mounted on surface contacting support or guide 271 ...For adjusting height of blade 272 ..V-shaped 273 ...Adjustable or collapsible apex 274 ...And auxiliary wing or extension 275 ....Top flap 276 ...Diverging forwardly 277 ...Supported on inclined plane 278 ...Manually powered 279 ..Diagonally oriented 280 ...Including side gate discharge preventer 281 ...And auxiliary wing or extension 282 ...Supported on inclined plane 283 ...Adjustable about central vertical hinge 284 ...Manually powered 285 .Manually powered 304 SELF-LOADING VEHICLE 305 .Having endless digger or conveyor 306 .Elevating wheel 307 BENEATH A BODY OF WATER (E.G., DREDGER) 308 .With signal, scale, indicator, or inspection means 309 .With means to control dredger operation (e.g., movement of dredged material) in response to sensed condition 310 ..Swell compensator 311 ..Suction relief valve 312 ..Control of swing or swing speed 313 .By use of submarine or undersea vessell 314 .Adapted to excavate specific discrete material 315 ..Shellfish 316 ...Including rake or scoop structure 317 .Suction 318 ..Having intake screen 319 ...And material size reducer (e.g., crusher) 320 ..With pumping chamber 321 ..With means to introduce lift agent directly into suction pipe 322 ...With downstream directed jet nozzle 323 ..With fluid jet digger adjacent suction inlet 324 ..Including driven digger adjacent suction inlet (e.g., cutterhead dredger) 325 ...With specific bearing, or means to lubricate or seal 326 ...Rotary 329 ....Axis transverse with respect to suction pipe 330 ....Axis vertical with respect to surface of body of water 331 ....Axis longitudinal with respect to suction pipe 327 ....Specific cutterhead structure 328 .....Including distinct tooth or tooth mounting 332 ...Endless 333 ..Draghead dredger (e.g., dustpan dredger) 334 ..With pipe suspension or support (e.g., ladder structure) 335 ..Pipe or nozzle structure 336 ...With coupling (e.g., connector) 337 .Rotary digger (e.g., bucket wheel) 338 .Endless 339 ..Specific bucket structure 340 .Grab 341 .Scoop or bucket 342 .With means to scour or scrape (e.g., propeller means, digging teeth, plow) 343 ..Rotary digging element 344 ..Nozzle 345 .With vessel, propulsion, or anchor structure (e.g., bank spud, spud brace) 346 ..Bottom spud anchor 347 DITCHER 348 .Condition responsive 349 .With crumber 350 .Having screw digger 351 ..With conveyor 352 .Having endless digger 353 ..Endless bucket 354 ...Transverse cut 355 ...Longitudinal cut 356 ....With side cutters 357 ....With distinct rotary digger 358 ....Reciprocating endless digger 359 ....With longitudinal endless conveyor 360 ....With transverse endless conveyor 361 .....Drive-related feature 362 ....Drive-related feature 363 ....Hand operated 364 .With side or auxiliary cutter 365 ..Rotary 91 .Wheel excavator 92 ..Longitudinal axis 93 ...Conveyorr 94 ..Transverse axis 95 ...Conveyor 96 ....Longitudinal endless 97 ....Transverse endless 366 .Plow 367 ..Slit ditcher 368 ...Including longitudinal endless conveyor 369 ....And transverse endless conveyor 370 ..Mole plow 372 ..With plow supported wheel or supported on wheel frame 373 ..With conveyor 374 ...Wheel and belt 375 ...Longitudinal endless conveyor 376 ....And transverse endless conveyor 377 .....With colter 378 ..With colter 379 .Shovel or scoop 380 ..Slit ditcher 104 RAILWAY GRADERS 105 .Side former 106 ..Scoop 107 ...Endless conveyor 381 ROAD GRADER-TYPE 382 .Condition responsive 383 .Including ground supported, grader guiding rail 384 ..Adjustable digger 385 ...Rotary digger 386 .Rotary digger 387 ..Adjustable 388 .Transverse endless digger 389 .Plow with transverse endless conveyor 390 ..Disc plow 391 .Plow with transverse conveyor wheel 392 ..And endless conveyor 393 .Plow with inclined axis conveyor wheel 394 CABLE-OPERATED (E.G., DRAGLINE) 395 .Boom-type 396 ..Including means to control digging, hoisting, and dumping 397 ..Including mounting or support structure (e.g., boom support, sheave or pulley support) 398 .Scoop or bucket 399 ..Including support or mounting device (e.g., hitch, shackle, lifting or dumping trunion) 400 .Trolley-supported 401 ..Including cable or rope control means to facilitate loading, transporting, or dumping 403 COMBINED OR CONVERTIBLE 468 .Having quick-connect coupling 404 .Combined with subsoiler 405 .Combined with fork or rake 406 .Combined with clamp, grapple, or shear 407 .With scraper 408 ..Integrally mounted to a tool body and independently usable by re- positioning the tool body 409 ..Multicomponent tool (e.g., scoop or bucket) convertible by relative movement of tool parts 410 ..Separate tools simultaneously mounted and independently usablee 411 SCOOP OR EXCAVATING AND TRANSPORTING CONTAINER 413 .With alarm, indicator, signal, or inspection means 412 .Supported on vehicle between longitudinally spaced ground supports 414 ..Condition responsive or programmable means controls the excavating operation 415 ...Control of attitude or depth of cut 416 ...Control of scoop component (e.g., elevator, apron, or ejector) 417 ..With specific suspension or means to steer or facilitate mounting of implement on vehicle 418 ..With tandem or plural scoops or compartments 419 ..With means to aid loading or load distribution 420 ...By auger 421 ...By digging movement of apron 422 ...By endless conveyor 423 ....With particular conveyor feature including drive means 424 ..With coaction between apron or elevator and bowl 425 ...Actuated by fluid means 426 ..With coaction between apron or elevator and ejector 427 ..With significant bowl structure or manipulation 428 ...Actuated by fluid means 429 ..With significant apron structure or manipulation 430 ...Actuated by fluid means 431 ..With particular unloading feature 432 ...Rear unloading 433 ...Revolving-type 435 .Mounted rearwardly of vehicle 467 ..Handled or hand operated 436 ..Bowl operatively connected to wheel axle 437 ...Including rear unloading 438 ....Actuated by fluid means 439 ...With caster wheel or shoe 440 ...Lever and latch mechanism 441 ..Dumping runner or revolving-type 434 .Manually operated (e.g., two-wheel barrow) 442 .Pushed forwardly of vehicle for filling 443 .Dipper-type (e.g., backhoe bucket) 444 .Scoop or bucket structure, per se 445 ..Including door structure or operator 446 DIGGING EDGE 447 .Oscillating or reciprocating 448 .Corner guard (e.g., corner tooth) 449 .Repositionable digging edge (e.g., reversible) 450 .Removable digging edge having integral tooth adaptor 451 .Distinct wear element mounted between teeth 452 .Tooth or adaptor 453 ..Having wear cap 454 ..Repositionable or replaceable tooth (e.g., reversible) 455 ..Mounting or retaining means 456 ...Including pin or key 457 ....Having resilient elastomeric element 458 ....Having resilient metallic element 459 .....Wire or rod formed 460 .Specific material (e.g., specialty steel, heat treatment of material, specific hardness test) 142.5 DITCH FILLER 182 ORANGE-PEEL BUCKETSS 461 CLAMSHELL BUCKET 184 .Common pivot 185 ..Crossed lever 186 .Contiguous pivots 187 .Spaced pivots 188 .Link-connected 189 ROTARY DIGGER 190 .Endless conveyor 462 ENDLESS DIGGER 463 .With endless conveyor 464 ..Having nonbucket-type digging means 465 .Digging chain, bucket, blade, or tooth structure, per se 195 PROCESSES 466 MISCELLANEOUS * ***************************** * CROSS-REFERENCE ART COLLECTIONS * ***************************** 901 Bucket cleaners 902 Hydraulic motors 903 Scoop or scraper attachments 904 Vibration means for excavating tool 905 Nondredge excavating by fluid contact or explosion 906 Visual aids and indicators for excavating tool 907 Automatic leveling excavators 908 Canal cleaners