Patent ID: 7708037

Claim:
A tree pusher for felling a tree, the tree pusher comprising: a base having a bottom portion comprising a planar member; a frame mounted on the base; means for urging the frame against the tree; and means, directly connected to the planar member, for connecting the base of the tree pusher to the tree, to stabilize and immobilize the base while the tree is being felled; wherein the frame comprises first, second, third, and fourth rectangular tubes having first and second ends, the first tube being pivotally connected to the base, the second tube being disposed in the first tube, the third tube being constructed and arranged to slide over the second tube, and the fourth tube being constructed and arranged to be inserted in and pinned to the third tube: the tree pusher further comprises a detachable head constructed and arranged to be disposed in the fourth tube, to attach the detachable head to a trunk of the tree, and to detach the detachable head from the frame of the tree pusher and remain attached to the trunk of the tree when the tree falls; and the tree pusher further comprises a screw-transmission trailer jack which is attached to the frame, which is extendable, and which is capable of bearing the weight of a large tree, for providing means for urging the frame and thereby the head of the tree pusher against the trunk of the tree.