초록 ▼

A post puller for use with a tractor loader having a loader bucket pivotally mounted thereon and a grapple fork pivotally mounted on the loader bucket comprising a post receiver mounted on the bucket and a clamping arm operatively secured to the grapple fork so that the post to be pulled may be clam

A post puller for use with a tractor loader having a loader bucket pivotally mounted thereon and a grapple fork pivotally mounted on the loader bucket comprising a post receiver mounted on the bucket and a clamping arm operatively secured to the grapple fork so that the post to be pulled may be clamped between the post receiver and the post clamping arm. Upward movement of the loader bucket by the tractor loader causes the post to be pulled from the ground. The post puller is adapted to accommodate wood posts of various diameters as well as steel posts.

대표청구항 ▼

In combination, a tractor having a forward end and a rearward end, a front loader mounted on said tractor, said front loader including a loader frame means, a pair of boom arms pivotally mounted to said loader frame means and extending forwardly therefrom, each of said boom arms having a forward end

In combination, a tractor having a forward end and a rearward end, a front loader mounted on said tractor, said front loader including a loader frame means, a pair of boom arms pivotally mounted to said loader frame means and extending forwardly therefrom, each of said boom arms having a forward end, a first hydraulic cylinder means for pivotally moving said boom arms with respect to said loader frame means so that the forward ends of said boom arms may be selectively raised or lowered, a loader bucket pivotally mounted, about a horizontal axis, on the forward ends of boom arms and having upper and lower ends, and opposite sides, a second hydraulic cylinder means for pivotally moving said loader bucket means with respect to said boom arms, a grapple fork means pivotally mounted, about a horizontal axis, at the upper end of said loader bucket means and being movable from a first upper position to a second lower position relative to said loader bucket means, a third hydraulic cylinder means for pivoting said grapple fork means relative to said loader bucket means, and a post puller means for pulling upstanding posts from the ground, said post puller means comprising a post receiving means mounted at one side of said loader bucket means which has a forwardly presented opening adapted to receive the post to be pulled therein, and an arm means operatively connected to said grapple fork means for movement therewith, said arm means extending from said grapple fork means so that said arm means will be spaced forwardly of said post receiving means when said grapple fork means is in its first upper position and so that said arm means will be closely positioned adjacent the said post receiving means, when said grapple fork means is moved to its said second lower position, to clamp the post to be pulled into said post receiving means, the upward movement of said loader bucket means, after the post has been clamped into said post receiving means, causing the post to be pulled from the ground.