A windrower machine having a pair of forward rotating augers mounted in parallel with one another in overlapping relationship with one another to work in conjunction with a blade and a backstop to form windrows to disrupt and reduce caked material to particulate in windrows as said machine is moved forwardly through a work area.

The invention relates to a sieve 100 for stone picking stones from soil, said sieve in the orientation intended for use comprising: a number of bars 2,2,2,2, wherein each bar is extending in a longitudinal direction between a lower end 4 configured to be at least partly submerged in soil, and an upper end 6; wherein each said bar comprises a leading surface 8 extending a distance L from a first edge 10 to a second edge 12 of said leading surface of said bar; wherein each said bar comprises a trailing surface 14; wherein in respect of two specific adjacent bars 2,2,2,2, preferably in respect of any two adjacent bars, the geometry of the bars and the sieve is configured in such a way that the smallest distance D between said two adjacent bars is being present at the leading surface of said two adjacent bars. Also provided is a stone picking device comprising a sieve according to the invention.

The invention relates to a sieve 100 for stone picking stones from soil, said sieve in the orientation intended for use comprising: a number of bars 2,2,2,2, wherein each bar is extending in a longitudinal direction between a lower end 4 configured to be at least partly submerged in soil, and an upper end 6; wherein each said bar comprises a leading surface 8 extending a distance L from a first edge 10 to a second edge 12 of said leading surface of said bar; wherein each said bar comprises a trailing surface 14; wherein in respect of two specific adjacent bars 2,2,2,2, preferably in respect of any two adjacent bars, the geometry of the bars and the sieve is configured in such a way that the smallest distance D between said two adjacent bars is being present at the leading surface of said two adjacent bars. Also provided is a stone picking device comprising a sieve according to the invention.

A rock bucket attachment for securement with a skid steer unit or tractor front loader, the attachment incorporating a bucket for use in combination with a grapple, the bucket having side walls, back walls, and a bottom wall, the grapple interconnecting by lever arms to the side walls of the bucket, the grapple having a pair of side arms pivotally connected with the front of the lever arms, and hydraulic cylinders interconnecting between the back of the side arms and the back end of the side walls, or the frame structure interconnecting between the two, such that when the hydraulic cylinders are actuated, they initially pivot the lever arms forwardly to their fullest extent to arrange the grapple and its rake over a debris pile, and then further actuation of the hydraulic cylinders pivoting the side arms relative to the lever arms to pivot the rake of the grapple downwardly to urge any debris into the bucket as the rake comes into proximity with the front of the bucket, to retain any raked debris therein.

A stalk puller to be used with or without a mower/shredder utilizes a pair of independently mounted discs converging along their lower edge to grasp and pull stalks from the ground as the stalk puller is moved down the row by a prime mover. At least one of the discs is urged against the other by a spring such that the associated disc may allow rocks and debris to pass between the discs without damage. The spring mounting reduces adjustments due to normal wear as well as damage from debris.

A stalk puller to be used with or without a mower/shredder utilizes a pair of independently mounted discs converging along their lower edge to grasp and pull stalks from the ground as the stalk puller is moved down the row by a prime mover. At least one of the discs is urged against the other by a spring such that the associated disc may allow rocks and debris to pass between the discs without damage. The spring mounting reduces adjustments due to normal wear as well as damage from debris.

A rock bucket attachment for securement with a skid steer unit or tractor front loader, the attachment incorporating a bucket for use in combination with a grapple, the bucket having side walls, back walls, and a bottom wall, at least one pair of grapples interconnecting by lever arms to the side walls of the bucket, said at least one pair of grapples having a pair of side arms pivotally connected with the front of the lever arms, and hydraulic cylinders interconnecting between the back of the side arms and the back end of the side walls, or the frame structure interconnecting between the two, such that when the hydraulic cylinders are actuated, they initially pivot the lever arms forwardly to their fullest extent to arrange the grapples and its rake over a debris pile, and then further actuation of the hydraulic cylinders pivoting the side arms relative to the lever arms to pivot the rake of each grapple downwardly to urge any debris onto the bucket as the rake comes into proximity with the front of the bucket, to retain any raked debris therein. There are at least a pair or more of grapples operatively associated with the rock bucket attachment.

A rock bucket attachment for securement with a skid steer unit or tractor front loader, the attachment incorporating a bucket for use in combination with a grapple, the bucket having side walls, back walls, and a bottom wall, at least one pair of grapples interconnecting by lever arms to the side walls of the bucket, said at least one pair of grapples having a pair of side arms pivotally connected with the front of the lever arms, and hydraulic cylinders interconnecting between the back of the side arms and the back end of the side walls, or the frame structure interconnecting between the two, such that when the hydraulic cylinders are actuated, they initially pivot the lever arms forwardly to their fullest extent to arrange the grapples and its rake over a debris pile, and then further actuation of the hydraulic cylinders pivoting the side arms relative to the lever arms to pivot the rake of each grapple downwardly to urge any debris onto the bucket as the rake comes into proximity with the front of the bucket, to retain any raked debris therein. There are at least a pair or more of grapples operatively associated with the rock bucket attachment.

Hydraulic solutions on a to a tractor or equivalent connected work machine, where the work machine shows several hydraulic driven work units and hydraulic motors, and where the hydraulic motors are so mounted and connected that the pressure drop over the hydraulic motor of the most congested work unit also in static conditions can increase markedly over the system pressure of the hydraulic power source that drives the work machine and where the rotors of the hydraulic driven working units can be reversed to free a possible blockage.

Hydraulic solutions on a to a tractor or equivalent connected work machine, where the work machine shows several hydraulic driven work units and hydraulic motors, and where the hydraulic motors are so mounted and connected that the pressure drop over the hydraulic motor of the most congested work unit also in static conditions can increase markedly over the system pressure of the hydraulic power source that drives the work machine and where the rotors of the hydraulic driven working units can be reversed to free a possible blockage.