A device to protect a work tool of an agricultural machine, especially a device to protect a work tool of a soil cultivator against overload when hitting an obstacle. The device includes a swinging mounting arranged in connection between a load-bearing frame of the machine and a work tool. The work tool is attached to a tube in a cavity of which there is a shaft fixed in a load-bearing frame and, at the edges of the cavity, at least two resilient sealing rings are arranged in an anti-slip manner, and between the rings, inside the cavity of the tube, oil fill is arranged.

A system for tilling compression marks formed in a field by wheels of agricultural machinery the system including a first roller assembly having a plurality of blade assemblies positioned in spaced relation to one another. The first roller assembly rotatably connected to a swing arm which moves the first roller assembly between a disengaged position, where the roller assembly does not penetrate the soil, and an engaged position where the roller assembly does penetrate and till the soil. The first roller assembly is positioned behind and in alignment with a first wheel of the agricultural machinery such that the first roller assembly tills the compression mark formed by the first wheel.

A system for tilling compression marks formed in a field by wheels of agricultural machinery the system including a first roller assembly having a plurality of blade assemblies positioned in spaced relation to one another. The first roller assembly rotatably connected to a swing arm which moves the first roller assembly between a disengaged position, where the roller assembly does not penetrate the soil, and an engaged position where the roller assembly does penetrate and till the soil. The first roller assembly is positioned behind and in alignment with a first wheel of the agricultural machinery such that the first roller assembly tills the compression mark formed by the first wheel.

Implement apparatus may be configured to displace ground material. For example, an implement may include an extension member coupled to a roller apparatus. The roller apparatus may include a cylindrical portion and a plurality of ground displacing elements. The ground displacing elements may be configured to extend into a ground surface to disperse ground material when the roller apparatus is engaged with the ground surface as the vehicle traverses the ground surface.

Implement apparatus may be configured to displace ground material. For example, an implement may include an extension member coupled to a roller apparatus. The roller apparatus may include a cylindrical portion and a plurality of ground displacing elements. The ground displacing elements may be configured to extend into a ground surface to disperse ground material when the roller apparatus is engaged with the ground surface as the vehicle traverses the ground surface.

Implement apparatus may be configured to displace ground material. For example, an implement apparatus may include an extension member coupled to a vehicle. The implement apparatus may further include roller apparatus to engage a ground surface. The roller apparatus may include a cylindrical portion and a plurality of ground displacing elements. The ground displacing elements may be configured to extend into the ground surface to disperse ground material when the roller apparatus is engaged with the ground surface as the vehicle traverses the ground surface.

Implement apparatus may be configured to displace ground material. For example, an implement apparatus may include an extension member coupled to a vehicle. The implement apparatus may further include roller apparatus to engage a ground surface. The roller apparatus may include a cylindrical portion and a plurality of ground displacing elements. The ground displacing elements may be configured to extend into the ground surface to disperse ground material when the roller apparatus is engaged with the ground surface as the vehicle traverses the ground surface.

A mounting structure for mounting a pivot arm to an implement has a cylindrical member, an adjusting sleeve, and a mounting bolt extending through the cylindrical member and adjusting sleeve to fix the cylindrical member and adjusting sleeve together. The cylindrical member extends through a bore of a bearing housing for rotation within the bearing housing. The adjusting sleeve has a threaded external surface. A disc spring is positioned on the adjusting sleeve. An adjusting nut is threaded onto the threaded external surface of the adjusting sleeve. The adjusting nut can be tightened to compress the disc spring to create a lateral bearing force against the bearing housing. The bearing housing can be integral with a pivot arm for mounting a gauge wheel assembly on a planter row unit, or the bearing housing can be a fixed part for mounting a pivot arm for a closing/press wheel on a drill.

A mounting structure for mounting a pivot arm to an implement has a cylindrical member, an adjusting sleeve, and a mounting bolt extending through the cylindrical member and adjusting sleeve to fix the cylindrical member and adjusting sleeve together. The cylindrical member extends through a bore of a bearing housing for rotation within the bearing housing. The adjusting sleeve has a threaded external surface. A disc spring is positioned on the adjusting sleeve. An adjusting nut is threaded onto the threaded external surface of the adjusting sleeve. The adjusting nut can be tightened to compress the disc spring to create a lateral bearing force against the bearing housing. The bearing housing can be integral with a pivot arm for mounting a gauge wheel assembly on a planter row unit, or the bearing housing can be a fixed part for mounting a pivot arm for a closing/press wheel on a drill.

A mounting structure for mounting a pivot arm to an implement has a cylindrical member, an adjusting sleeve, and a mounting bolt extending through the cylindrical member and adjusting sleeve to fix the cylindrical member and adjusting sleeve together. The cylindrical member extends through a bore of a bearing housing for rotation within the bearing housing. The adjusting sleeve has a threaded external surface. A disc spring is positioned on the adjusting sleeve. An adjusting nut is threaded onto the threaded external surface of the adjusting sleeve. The adjusting nut can be tightened to compress the disc spring to create a lateral bearing force against the bearing housing. The bearing housing can be integral with a pivot arm for mounting a gauge wheel assembly on a planter row unit, or the bearing housing can be a fixed part for mounting a pivot arm for a closing/press wheel on a drill.