Woodworking – Process – Including monitoring of operation
Patent
1990-07-11
1992-10-06
Bray, W. Donald
Woodworking
Process
Including monitoring of operation
144114R, 144117C, 144373, 172 45, 356 5, B27C 100, B27B 100, E02F 376
Patent
active
051523299
ABSTRACT:
A surface levelling device for levelling surfaces such as a wooden floor, the device including a rotatable cutting head (130) which is mounted in a movable framework (4) by means of independently controlled screw devices (84, 86). The screw devices are controlled by control circuits (130, 132) which are responsive to a sweeping laser beam (222) which rotates in a reference plane. The control circuits maintain the cutting head (130) parallel to the reference plane and at a predetermined distance therefrom regardless of movements of the framework (4) over the floor.
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Browne Milton P.
Dunne Paul G.
Gonella Massimo
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