mechanically-driven

Full Title

Dredgers; Soil-shifting machines (for special purposes E02F5/00; other machines or apparatus for mining E21C; tunnelling E21D) > mechanically-driven

Child Classifications

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• E02F 3/045
• E02F 3/06 with digging screws
• E02F 3/08 with digging elements on an endless chain (conveyors B65G)
• E02F 3/18 with digging wheels turning round an axis
• E02F 3/28 with digging tools mounted on a dipper- or bucket-arm , e.g. dippers, buckets
• E02F 3/46 with reciprocating digging or scraping elements moved by cables or hoisting ropes
• E02F 3/627 Devices to connect beams or arms to tractors or similar self-propelled machines,
• E02F 3/64 Buckets cars, i.e. having scraper bowls
• E02F 3/76 Graders, bulldozers, or the like with scraper plates or ploughshare-like elements (soil-working A01B); Levelling devices
• E02F 3/88 with arrangements acting by a sucking or forcing effect, e.g. suction dredgers (pumps in general F04)
• E02F 3/96 with arrangements for alternate use of different digging elements