Abrading – Precision device or process - or with condition responsive... – By optical sensor
Patent
1995-07-26
1997-07-01
Rose, Robert A.
Abrading
Precision device or process - or with condition responsive...
By optical sensor
451353, B24B 4912
Patent
active
056430477
ABSTRACT:
A mobile floor grinding vehicle for grinding a floor to a predetermined level and provided with one or more grinding heads which can be continuously adjusted as the vehicle is moved over a floor to maintain the grinding surface of the heads at a fixed position corresponding to the contour to be ground in the floor. Positional control of the heads is effected either by a laser beam from a laser source positioned remote from the vehicle and providing a datum level against which the operative position of the grinding heads is continuously monitored and adjusted using laser beam responsive sensors, or by means of signals generated by an on-board computer which vary in accordance with the initial contours of the floor measured against its desired contours and pre-programmed into the computer.
REFERENCES:
patent: 3129539 (1964-04-01), Tempero
patent: 5140776 (1992-08-01), Isdahl et al.
Abstract of FR2270380 (Dec.-1975).
Beckett Leonard James
Dare Kevin
Concrete Grinding Ltd.
Rose Robert A.
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