Tree pusher

Woodworking – Special-work machine – Tree felling

Reexamination Certificate

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Details

C254S001000, C254S013000, C254S13300A, C144S004100

Reexamination Certificate

active

06968878

ABSTRACT:
A tree pusher for safely felling a tree. The tree pusher includes (a) a base, (b) a frame, and (c) a detachable pronged head for gripping the tree while the tree is being felled. As the tree falls, the head remains attached to the tree, and detaches itself from the frame of the tree pusher.

REFERENCES:
patent: 1482846 (1924-02-01), Harrah
patent: 2960309 (1960-11-01), Swanson
patent: 3548899 (1970-12-01), Emerson
patent: 4148462 (1979-04-01), Jessup
patent: 4564173 (1986-01-01), Atherton et al.
patent: 4660806 (1987-04-01), Masters
patent: 5992824 (1999-11-01), Voss
patent: 6135419 (2000-10-01), Hutson, Jr. et al.

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