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US 8,028,632 B2Granted
Prescision hoe opener with swing link between cylinder and shank
AssigneeCNH Canada, Ltd.
InventorsNicholas George Alfred Ryder, Montgomerie Summach, Gerard James Gadzella
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Abstract
A precision hoe opener assembly is provided with improved accuracy of seeding as well as improved control over the opener and packer wheel assemblies. The opener assembly includes a hydraulically-driven parallel linkage assembly, a lost motion linkage, a hoe opener, and a packer wheel. The design provides improved seeding accuracy, by adjusting assembly components to and compensating for changes in terrain elevation.
Claims5
An opener and seeder system, comprising:
- means for disposing a seed in ground to be seeded;
- means for pivotally supporting the seed disposing means with respect to a tow bar;
- and
- means for raising the seed disposing means by contact with the pivotally supporting means, the raising means being displaceable through a predetermined angular range prior to contacting the pivotally supporting means;
- wherein the disposing seed means includes a shank adapter, a ground engaging assembly being rigidly mounted to the shank adapter,
- wherein the pivotally supporting means includes a pivotal member to which the seed disposing means is rigidly mounted;
- and the pivotal member contacts the shank adapter at two extremities of the angular range.
4 more elements
Dependencies are inferred from the claim text.