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:
Aug. 27, 1985
Filed:
Mar. 09, 1983
Masami Shimizu, Tokorozawa, JP;
Hisao Yoshikawa, Tokorozawa, JP;
Sosaku Kimura, Tokorozawa, JP;
Kazuo Shiba, Tokorozawa, JP;
Fumio Maeno, Tokorozawa, JP;
Shigehiro Fuwa, Tokorozawa, JP;
Kuniyuki Mihara, Tokorozawa, JP;
Citizen Watch Company Limited, Tokyo, JP;
Abstract
A grinding machine comprising a tool mounting head which is movable vertically between a pair of guide columns on which guide surfaces are provided for guiding the head. A plurality of workpieces are mounted on corresponding holding jigs which are mounted by means enabling them to be tilted, and measurement means such as X-ray or optical means are provided to sense the orientation of a workpiece being machined, with signals from the measurement means controlling the tilting of the corresponding holding jig. Jigs are mounted on a rotary table rotatably mounted on a workpiece slide which can be traversed below a grinding tool.