Wood turning – Circular section – Cutter
Patent
1994-08-10
1996-06-04
Bishop, Steven C.
Wood turning
Circular section
Cutter
83665, 144218, 144230, 403 15, 407 41, 279 208, 279 403, B27C 700, B27G 1312, F16D 106
Patent
active
055224415
ABSTRACT:
A cutterhead, particularly for wood lathe tooling includes one or more sleeves each of which has an inner hydraulically operated circumferential gripper for securement to a rotatable arbor, and an outer, independently hydraulically operated circumferential gripper for securement to a cylinder. The outer peripheral surface of the cylinder is provided with longitudinal dovetail ribs. Knife carriers and space-filling limiters slide axially onto these ribs and are locked in place by set screws. Each carrier has a slot for radially receiving a knife to be gripped between a wedge and a corrugated keeper. The keeper and carrier slot are keyed together to provide for radial adjustment of the knife. A threaded pin restrains slot spreading and radially retains the wedge and keeper. Wedge action prevents radial throwing of elements should someone neglect to secure the carriers or limiters, or neglect to elevate the wedges. Knives are slotted for easy removal, and corrugated to match the keepers to facilitate knife height adjustment. All but inner and outer rings of the sleeves, the threaded pins and keepers are made of aluminum. The knives are made of steel.
REFERENCES:
patent: 1736421 (1929-11-01), Turcott
patent: 2490516 (1949-12-01), Furlin
patent: 3917422 (1975-11-01), Betzler
patent: 4429726 (1984-02-01), Betzler
Anselm Kenneth R.
Bowness Roger
Footit Gordon
Fulton William D.
Perry Stephen J.
Bishop Steven C.
Western Cutterheads, Inc.
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