Patent ID: 6662836
Filing Date: 2003-12-16
Classification: A01G

Abstract:
Tree shear apparatus comprising:a boom assembly including an elongated boom having an outer end; a frame pivotally attached to said outer end of the boom for pivoting movement relative to the boom about a transverse horizontal axis; and a pair of jaws mounted on said frame and projecting forwardly therefrom, at least one of said jaws being adapted for powered movement toward and away from the other jaw in a shearing action, said boom assembly further including a power cylinder operably coupled with said frame in a manner to permit the jaws to be rocked by the cylinder about said transverse axis into any selected one of a number of angularly adjusted positions, said other jaw comprising a fixed jaw that includes a generally fore-and-aft extending anvil, said one jaw including a shear blade movable into engagement with the anvil for carrying out the shearing action, said jaws having a pair of toothed retainers located above the level of said anvil and said blade, said retainers being disposed at the forward ends of said jaws and projecting laterally inwardly toward one another, each of said retainers including at least one rearwardly facing tooth disposed to assist in gripping and retaining the butt of a tree severed by the jaws.