Stone working – Sawing – Rotary
Patent
1984-01-30
1985-12-17
Whitehead, Harold D.
Stone working
Sawing
Rotary
511345R, 51165R, 5116587, 51267, 5116572, B28D 104
Patent
active
045586861
ABSTRACT:
A machining device equipped with a rotating machining tool having a blade. A blade inspecting means is provided in the machining device. The blade inspecting means comprises an emission means for emitting electromagnetic radiation and a receiving means for receiving the electromagnetic radiation emitted by the emitting means and producing a signal corresponding to the received electromagnetic radiation. The emitting means and receiving means are disposed such that the electromagnetic radiation emitted from the emitting means undergoes interference by the blade of the machining tool and the electromagnetic radiation received by the receiving means varies according to a variation in the condition of the blade.
REFERENCES:
patent: 3250043 (1966-05-01), Finkl
patent: 3560826 (1971-02-01), Lonaberger
patent: 3835591 (1974-09-01), Cimprich
patent: 4016855 (1977-04-01), Mimata
Disco Abrasive Systems, Ltd.
Whitehead Harold D.
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