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Class Information
Number: 172/742
Name: Earth working > Tool, standard or connection > Adjustable > Laterally adjustable > Adjustable about a vertical axis
Description: Apparatus in which the earth working element is angularly adjustable with respect to the line of travel, about an axis that is substantially vertical.

Patents under this class:

Patent Number Title Of Patent Date Issued
7523569 Mounting for a side wing plow Apr. 28, 2009
6851484 Wheel track filling apparatus Feb. 8, 2005
5787993 Farm implement, with multi-position settings Aug. 4, 1998
5649601 Plow assembly with floating wing sweep Jul. 22, 1997
4928774 Cultivator with improved disc positioning means May. 29, 1990
4828041 Agricultural implements May. 9, 1989
4738316 Adjustable shank mounting for an earthworking tool Apr. 19, 1988
4585074 Ridge forming apparatus Apr. 29, 1986
4516639 Powered landscape rake May. 14, 1985
4475601 Variable width plow system with shim means adjustment Oct. 9, 1984
4319645 Variable speed plow with moldboard pivoting about a forward vertical pivot axis Mar. 16, 1982
4298071 Cultivator with parallel quadrant plates for positioning cultivating element Nov. 3, 1981
4262921 Tandem implement hitch Apr. 21, 1981
4245707 Grading and dozing attachment for a tractor Jan. 20, 1981
4210212 Tool mounting with member locatable in first and second position between standard and frame Jul. 1, 1980
4148365 Earth working attachment for tractors Apr. 10, 1979
4074768 Blade support and control arrangement for a motor grader Feb. 21, 1978
4066374 Trench compactor Jan. 3, 1978
4062410 Adjustable moldboard for variable speed plowing Dec. 13, 1977
4036305 Gang plow Jul. 19, 1977
4020908 Reversible plow May. 3, 1977
3999615 Motor grader with circle mounting blade and wedge control system Dec. 28, 1976
3991831 Combination post-plowing cultivating implement and field drag Nov. 16, 1976
3989112 Motor grader drawbar assembly with fluid-operated cylinders for restraining circle gear Nov. 2, 1976

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