|  | E |
SECTION E — FIXED CONSTRUCTIONS

BUILDING

|  | E02 |
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING

|  | E02F |
DREDGING; SOIL-SHIFTING (winning peat Fulltext... Hierarchy... Expanded...E21C 49/00)

|  | E02F |
Note(s) This subclass covers: primarily equipment for excavating or loosening earth or for moving loose earth; equipment for working similarly on other materials and similar equipment for loading or unloading materials.

|  | E02F |
Subclass index
GENERAL WORKING METHODS | 1/00
HAND-OPERATED MACHINES OR APPARATUS FOR GENERAL USE | 3/02
MECHANICALLY-DRIVEN MACHINES OR APPARATUS FOR GENERAL USE OR THEIR SPECIAL DETAILS | 3/04
MACHINES FOR SPECIAL PURPOSES OR THEIR SPECIAL DETAILS | 5/00
EQUIPMENT FOR CONVEYING OR SEPARATING EXCAVATED MATERIAL | 7/00
GENERAL DETAILS | 9/00

|  | E02F 1/00 |
General working methods with dredgers or soil-shifting machines (methods for making embankments Fulltext... Hierarchy... Expanded...E02D 17/18; methods for mining Fulltext... Hierarchy... Expanded...E21C)

|  | E02F 3/00 |
Dredgers; Soil-shifting machines (for special purposes Fulltext... Hierarchy... Expanded...E02F 5/00; other machines or apparatus for mining Fulltext... Hierarchy... Expanded...E21C; tunnelling Fulltext... Hierarchy... Expanded...E21D)

|  | E02F 3/02 |
· | hand-operated

|  | E02F 3/04 |
· | mechanically-driven

|  | E02F 3/06 |
· · | with digging screws

|  | E02F 3/08 |
· · | with digging elements on an endless chain (conveyers Fulltext... Hierarchy... Expanded...B65G)

|  | E02F 3/10 |
· · · | with tools that only loosen the material

|  | E02F 3/12 |
· · · | Component parts

|  | E02F 3/14 |
· · · · | Buckets; Chains; Guides for buckets or chains; Drives for chains

|  | E02F 3/16 |
· · · · | Safety or control devices (safety devices in general Fulltext... Hierarchy... Expanded...F16P; controlling in general Fulltext... Hierarchy... Expanded...G05)

|  | E02F 3/18 |
· · | with digging wheels turning round an axis

|  | E02F 3/20 |
· · · | with tools that only loosen the material

|  | E02F 3/22 |
· · · | Component parts

|  | E02F 3/24 |
· · · · | Digging wheels; Digging elements of wheels; Drives for wheels

|  | E02F 3/26 |
· · · · | Safety or control devices (safety devices in general Fulltext... Hierarchy... Expanded...F16P; controlling in general Fulltext... Hierarchy... Expanded...G05)

|  | E02F 3/28 |
· · | with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets [4]

|  | E02F 3/30 |
· · · | with a dipper-arm pivoted on a cantilever beam

|  | E02F 3/32 |
· · · · | working downwardly and towards the machine, e.g. with backhoes

|  | E02F 3/34 |
· · · | with bucket-arms directly pivoted on the frames of tractors or self-propelled machines [4]

|  | E02F 3/342 |
· · · · | Buckets emptying overhead (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...E02F 3/348-E02F 3/358 take precedence) [4]

|  | E02F 3/345 |
· · · · | Buckets emptying side-ways (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...E02F 3/348-E02F 3/358 take precedence) [4]

|  | E02F 3/348 |
· · · · | Buckets emptying into a collecting or conveying device [4]

|  | E02F 3/352 |
· · · · | Buckets movable along a fixed guide [4]

|  | E02F 3/355 |
· · · · | Buckets connected to the rear end of a tractor [4]

|  | E02F 3/358 |
· · · · | Bucket-arms pivoted on a turntable being part of a tractor frame [4]

|  | E02F 3/36 |
· · · | Component parts

|  | E02F 3/38 |
· · · · | Cantilever beams; Dipper-arms; Bucket-arms [4]

|  | E02F 3/39 |
· · · · · | with telescopic arms [4]

|  | E02F 3/40 |
· · · · | Dippers; Buckets [4]

|  | E02F 3/407 |
· · · · · | with ejecting device [4]

|  | E02F 3/413 |
· · · · · | with grabbing device (grab equipment for cranes Fulltext... Hierarchy... Expanded...B66C) [4]

|  | E02F 3/42 |
· · · · | Drives for dippers, buckets, dipper-arms or bucket-arms [4]

|  | E02F 3/43 |
· · · · · | Control of dipper or bucket position; Control of sequence of drive operations [4]

|  | E02F 3/46 |
· · | with reciprocating digging or scraping elements moved by cables or hoisting ropes [4]

|  | E02F 3/47 |
· · · | with grab buckets (grab equipment for cranes Fulltext... Hierarchy... Expanded...B66C) [4]

|  | E02F 3/48 |
· · · | Drag-lines

|  | E02F 3/50 |
· · · | with buckets or other digging elements moved along a rigid guideway

|  | E02F 3/52 |
· · · | Cableway excavators (cable cranes Fulltext... Hierarchy... Expanded...B66C)

|  | E02F 3/54 |
· · · | Cable scrapers

|  | E02F 3/56 |
· · · · | with hand-controlled scraper or other digging elements

|  | E02F 3/58 |
· · · | Component parts

|  | E02F 3/60 |
· · · · | Buckets, scrapers, or other digging elements

|  | E02F 3/627 |
· · | Devices to connect beams or arms to a tractor or similar self-propelled machine [4]

|  | E02F 3/633 |
· · · | Drives therefor [4]

|  | E02F 3/64 |
· · | Bucket cars, i.e. having scraper bowls [4]

|  | E02F 3/65 |
· · · | Component parts, e.g. drives, control devices [4]

|  | E02F 3/76 |
· · | Graders, bulldozers, or the like with scraper plates or ploughshare-like elements (soil working Fulltext... Hierarchy... Expanded...A01B); Levelling devices [4]

|  | E02F 3/78 |
· · · | with rotating digging elements

|  | E02F 3/80 |
· · · | Component parts

|  | E02F 3/815 |
· · · · | Blades; Levelling tools [4]

|  | E02F 3/84 |
· · · · | Drives or control devices therefor

|  | E02F 3/85 |
· · · · · | Applications of hydraulic or pneumatic systems

|  | E02F 3/88 |
· · | with arrangements acting by a sucking or forcing effect, e.g. suction dredgers (pumps in general Fulltext... Hierarchy... Expanded...F04)

|  | E02F 3/90 |
· · · | Component parts, e.g. drives, control devices

|  | E02F 3/92 |
· · · · | Digging elements, e.g. suction heads

|  | E02F 3/94 |
· · · · | Apparatus for separating stones from the dredged material

|  | E02F 3/96 |
· · | with arrangements for alternate use of different digging elements

|  | E02F 5/00 |
Dredgers or soil-shifting machines for special purposes

|  | E02F 5/02 |
· | for digging trenches or ditches (agricultural ploughs for working ridges Fulltext... Hierarchy... Expanded...A01B 13/02)

|  | E02F 5/04 |
· · | with digging screws

|  | E02F 5/06 |
· · | with digging elements mounted on an endless chain

|  | E02F 5/08 |
· · | with digging wheels turning round an axis

|  | E02F 5/10 |
· · | with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables (laying pipes per se Fulltext... Hierarchy... Expanded...F16L 1/00, making pipes in situ Fulltext... Hierarchy... Expanded...F16L 1/038; laying electric cables per se Fulltext... Hierarchy... Expanded...H02G 1/06) [6]

|  | E02F 5/12 |
· · | with equipment for back-filling trenches or ditches (Fulltext... Hierarchy... Expanded...E02F 5/10 takes precedence) [3]

|  | E02F 5/14 |
· · | Component parts for trench excavators, e.g. indicating devices

|  | E02F 5/16 |
· | Machines for digging other holes in the soil (earth drilling Fulltext... Hierarchy... Expanded...E21)

|  | E02F 5/18 |
· · | for horizontal holes

|  | E02F 5/20 |
· · | for vertical holes

|  | E02F 5/22 |
· | for making embankments; for back-filling (in combination with trench excavators Fulltext... Hierarchy... Expanded...E02F 5/12)

|  | E02F 5/24 |
· · | Depositing dredged material in mounds

|  | E02F 5/26 |
· · | Combined conveying-bridges and dredgers

|  | E02F 5/28 |
· | for cleaning watercourses or other waters

|  | E02F 5/30 |
· | Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil

|  | E02F 5/32 |
· · | Rippers [4]

|  | E02F 7/00 |
Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers Fulltext... Hierarchy... Expanded...B63B 35/28)

|  | E02F 7/02 |
· | Conveying equipment mounted on a dredger (conveyers in general Fulltext... Hierarchy... Expanded...B65G)

|  | E02F 7/04 |
· | Loading devices mounted on a dredger (loading devices in general Fulltext... Hierarchy... Expanded...B65G)

|  | E02F 7/06 |
· | Delivery chutes or screening plants mounted on a dredger (separating equipment in general Fulltext... Hierarchy... Expanded...B03; delivery chutes in general Fulltext... Hierarchy... Expanded...B65G)

|  | E02F 7/10 |
· | Pipe-lines for conveying excavated materials (pipes in general Fulltext... Hierarchy... Expanded...F16L; pipe-line systems Fulltext... Hierarchy... Expanded...F17D)

|  | E02F 9/00 |
Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...E02F 3/00-E02F 7/00 (laying-out or take-up devices for trailing electric cables Fulltext... Hierarchy... Expanded...B66C) [3]

|  | E02F 9/02 |
· | Travelling gear (for motor vehicles Fulltext... Hierarchy... Expanded...B60B, Fulltext... Hierarchy... Expanded...B60G; undercarriages for locomotives or railroad cars Fulltext... Hierarchy... Expanded...B61F; track-laying vehicles Fulltext... Hierarchy... Expanded...B62D; for cranes Fulltext... Hierarchy... Expanded...B66C)

|  | E02F 9/04 |
· · | Walking gears moving the dredger forward step-by-step

|  | E02F 9/06 |
· | Floating substructures as supports

|  | E02F 9/08 |
· | Superstructures; Supports for superstructures

|  | E02F 9/10 |
· · | Supports for movable superstructures mounted on travelling or walking gears or on other superstructures

|  | E02F 9/12 |
· · · | Slewing or traversing gears (roller and ball bearings Fulltext... Hierarchy... Expanded...F16C)

|  | E02F 9/14 |
· | Booms; Cable suspensions

|  | E02F 9/16 |
· | Cabins, platforms, or the like for the driver (for cranes Fulltext... Hierarchy... Expanded...B66C 13/54)

|  | E02F 9/18 |
· | Counterweights

|  | E02F 9/20 |
· | Drives; Control devices (gearing in general Fulltext... Hierarchy... Expanded...F16H; controlling in general Fulltext... Hierarchy... Expanded...G05; electric multi-motor drives Fulltext... Hierarchy... Expanded...H02K, Fulltext... Hierarchy... Expanded...H02P)

|  | E02F 9/22 |
· · | Hydraulic or pneumatic drives

|  | E02F 9/24 |
· | Safety devices

|  | E02F 9/26 |
· | Indicating devices

|  | E02F 9/28 |
· | Small metalwork for digging elements, e.g. teeth