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Class Information
Number: 172/40
Name: Earth working > With drive means for tool or cleaner > Vibrating tool
Description: Apparatus in which an earth working element, or a portion thereof, is driven so that it has a motion of small amplitude (i.e., it vibrates).


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4867607 Linkage apparatus having a mechanism for dampening vibrations Sep. 19, 1989
4850434 Vibrating deep ripper Jul. 25, 1989
4821808 Resonantly driven earth moving blade Apr. 18, 1989
4802787 Electrical control system Feb. 7, 1989
4750566 Resilient connecting means for lifting vibratory device Jun. 14, 1988
4703838 Recoil damper for a reciprocating member Nov. 3, 1987
4698925 Soil reclaiming implement Oct. 13, 1987
4679337 Material working machine with vibrating tool carrier Jul. 14, 1987
4666213 Rock breaker tool May. 19, 1987
4652176 Vibratory plow with blade having regressive longitudinal axis Mar. 24, 1987
4647247 Method of compacting a material layer and a compacting machine for carrying out the method Mar. 3, 1987
4632192 Multiple-unit apparatus for lifting sod Dec. 30, 1986
4619552 Vibration proof suspension type vibrating roller Oct. 28, 1986
4616713 Blade adjustment device for sod cutting machine Oct. 14, 1986
4611667 Reciprocating bulldozer blade Sep. 16, 1986
4588034 Vibratory plow blade May. 13, 1986
4586847 Vibratory mechanism May. 6, 1986
4577995 Mechanism for generating vibrations for a ground compacting machine Mar. 25, 1986
4573826 Mobile crusher unit for clearing rough terrain, preparing road formworks and roadbeds, operating open-works mines, and the like Mar. 4, 1986
4553606 Sod cutting machine having split undercutting blade Nov. 19, 1985
4541492 Earth-working tool head Sep. 17, 1985
4538686 Ballast cleaning machine Sep. 3, 1985
4506740 Vibrating earth ripping apparatus Mar. 26, 1985
4467539 Resonance aided front end loader Aug. 28, 1984
4463509 Vibratory plow assembly Aug. 7, 1984
4457645 Apparatus for breaking pavement Jul. 3, 1984
4454666 Resonance aided front end loader Jun. 19, 1984
4453772 Modular impact ripper assembly Jun. 12, 1984
4438576 Vibrating ditcher plow Mar. 27, 1984
4411321 Cultivating implements Oct. 25, 1983
4379595 Ripper with offset impacting means and slotted shank Apr. 12, 1983
4375836 Apparatus for loosening soil Mar. 8, 1983
4370894 Eccentric element Feb. 1, 1983
4359102 Resonance aided earth-working equipment Nov. 16, 1982
4353175 Resonantly driven trenching tool Oct. 12, 1982
4351396 Oscillating powered cultivating tool Sep. 28, 1982
4343514 Resonant tool driving system with gap Aug. 10, 1982
4330156 Resonant system speed control May. 18, 1982
4285284 Seeder with pivoting soil breakers Aug. 25, 1981
4278368 Apparatus and method for compacting material Jul. 14, 1981
4269535 Earth working implement control system May. 26, 1981
4260290 Cable plow assembly Apr. 7, 1981
4258956 Method and apparatus for driving a single transversely elongated tool with a plurality of force transmitting beams Mar. 31, 1981
4257648 Non-resonant cyclic drive system employing rectification of the cyclic output Mar. 24, 1981
4252376 Ripping tool driving apparatus Feb. 24, 1981
4250760 Drive assembly for pavement planing apparatus Feb. 17, 1981
4251111 Resonant beam for tool driving apparatus Feb. 17, 1981
4245705 Apparatus for taking off vibratory power for tractor Jan. 20, 1981
4241615 Vibrating device Dec. 30, 1980
4230369 Pavement planing method and apparatus Oct. 28, 1980

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