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Class Information
Number: 172/675
Name: Earth working > With wheel; or supported on wheel frame or broadly claimed implement > Vertically adjustable tool
Description: Apparatus wherein the earth working element is selectively vertically adjustable with relation to the wheeled frame.

Patents under this class:

Patent Number Title Of Patent Date Issued
8028759 Prescision hoe opener with swing link between cylinder and shank Oct. 4, 2011
8011440 Precision hoe opener assembly with adjustable packer wheel location Sep. 6, 2011
7866410 Precision hoe opener with swing link between cylinder and shank Jan. 11, 2011
7798244 Precision hoe opener with swing link and biasing member Sep. 21, 2010
7712999 Method and apparatus for drying soil May. 11, 2010
7033105 Road paving equipment tire track remover Apr. 25, 2006
6286608 Sod buster apparatus Sep. 11, 2001
6021853 Field finishing land plane having retractable sections for road safety during towing Feb. 8, 2000
5890546 Tractor drawn scraper with folding wings Apr. 6, 1999
5810097 Attachment system for mounting road-maintenance equipment on a vehicle Sep. 22, 1998
5538085 Gauge wheel mounting Jul. 23, 1996
5499683 Soil treating system with hydraulically actuated implement controller Mar. 19, 1996
5497715 Seed metering drive mechanism for seed planters and the like Mar. 12, 1996
5462123 Tillage implement with on-the-go depth control of angle adjustable disc gangs Oct. 31, 1995
5404958 Lifting structure for an agricultural tractor Apr. 11, 1995
4333534 Agricultural tool carrier Jun. 8, 1982
4239086 Lifting mechanism with cam Dec. 16, 1980
4079788 Hand-pushable tilling device Mar. 21, 1978
4033417 Agricultural machine Jul. 5, 1977
3955626 Multi-row vineyard cultivator May. 11, 1976

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