Woodworking – Rotary cutter – Solid
Patent
1997-12-05
1998-10-13
Bray, W. Donald
Woodworking
Rotary cutter
Solid
144 2412, 144218, 241294, 407 46, 299 91, 299 92, B27G 1304, A01G 2306
Patent
active
058198270
ABSTRACT:
A stump grinding apparatus having a tooth which is automatically retained with respect to, and appropriately gauged from a pocket. The tooth includes an elongated shank portion having front and rear ends and a head portion integrally extending from the front end of the shank portion. In a preferred embodiment of the present invention, a pair of longitudinally spaced holes are formed through the shank portion adjacent its rear end. A pin may be inserted through one of the two holes formed through the shank portion, with the chosen hole being dependent upon whether the shape of the pocket being used is either entirely round or partially round with a straight rear edge. When the tooth is securely clamped to the stump grinding wheel via the pocket, the pin is positioned in abutting relation to the rear end of the pocket, thereby preventing the tooth from moving axially with respect to the pocket. In addition, by choosing the appropriate hole through which to insert the pin, dependent upon the shape of pocket being utilized, when the pin is positioned in abutting relation to the rear edge of the pocket, the gauging distance of the cutting bit from the front edge of the pocket will be automatically set.
REFERENCES:
patent: 2135035 (1938-08-01), Mills
patent: 3778112 (1973-12-01), Krekeler
patent: 3856359 (1974-12-01), Krekeler
patent: 4744278 (1988-05-01), Wright
patent: 4998574 (1991-03-01), Beach et al.
patent: 5261306 (1993-11-01), Morey et al.
patent: 5279345 (1994-01-01), Le Maux et al.
Bray W. Donald
Leonardi Manufacturing Co., Inc.
McGuire George R.
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