E02F

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Description

DREDGING; SOIL-SHIFTING (winning peat E21C 49/00)

Subclasses

SubclassTitle
1/00 General working methods with dredgers or soil-shifting machines (methods for making embankments E02D 17/18; methods for mining E21C)
3/00 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D)
3/02 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) hand-operated
3/04 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven
3/06 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging screws
3/08 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G)
3/10 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G) with tools that only loosen the material
3/12 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G) Component parts
3/14 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G) Component parts Buckets; Chains; Guides for buckets or chains; Drives for chains
3/16 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G) Component parts Safety or control devices (safety devices in general F16P; controlling in general G05)
3/18 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging wheels turning round an axis
3/20 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging wheels turning round an axis with tools that only loosen the material
3/22 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging wheels turning round an axis Component parts
3/24 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging wheels turning round an axis Component parts Digging wheels; Digging elements of wheels; Drives for wheels
3/26 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging wheels turning round an axis Component parts Safety or control devices (safety devices in general F16P; controlling in general G05)
3/28 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets
3/30 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam
3/32 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
3/34 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with bucket-arms directly pivoted on the frames of tractors or self-propelled machines
3/342 Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with bucket-arms directly pivoted on the frames of tractors or self-propelled machines Buckets emptying overhead (E02F 3/348-E02F 3/358 take precedence)

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