Tree grubber and push bar attachment device

Details Tree grubber and push bar attachment device Tree grubber and push bar attachment device

2007-01-08

2008-08-26

Self, Shelley (Department: 3725)

Woodworking

Special-work machine

Combined

C144S034100, C037S301000, C056S012700, C056S014700

Reexamination Certificate

active

07415999

ABSTRACT:
An attachment for front end loaders and for tree cutting devices attached to a front end loader provides a hydraulically extending serrated edge which may be positioned below the ground surface in front of the loader or the tree cutting device to remove small saplings and cut through roots around a tree. The attachment may also be retracted into an upright position out of the way of the front end loader, a front mounted accessory or a front mounted tree cutting device when using the accessory or tree cutting device and extended forward to push a material or a tree being cut in a direction in front of the accessory or tree cutting device and away from the front end loader.

REFERENCES:
patent: 2506662 (1950-05-01), Cusenbary
patent: 4356644 (1982-11-01), Harkness
patent: 5101873 (1992-04-01), Marshall
patent: 5144993 (1992-09-01), Marshall
patent: 5479971 (1996-01-01), Marshall
patent: 5490340 (1996-02-01), Muncy
patent: 5806605 (1998-09-01), Keigley
patent: 6401831 (2002-06-01), Bouchard
patent: 6439279 (2002-08-01), Underwood
patent: 6763618 (2004-07-01), Moran
patent: 6901978 (2005-06-01), Simpson
patent: 7243690 (2007-07-01), Price et al.
Marshall Tree Saw Advertisement www.marshalltreesaw.com.
ABC Groff Advertisement for Marshall Tree Saw www.abcgroff.com/ic/marsh.htm.
BOBCAT (Tradmark) Advertisement www.bobcat.com/products/att/thumbnails/index.html.
Worksaver Bobcatalog 2005 Attachments, pp. 38-47.

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