The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 1985
Filed:
Jan. 30, 1984
Takatoshi Ono, Nagareyama, JP;
Disco Abrasive Systems, Ltd., , JP;
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.