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:
Jun. 02, 1998
Filed:
Dec. 08, 1992
Eri Koshishiba, Yokohama, JP;
Koichi Sugimoto, Hiratsuka, JP;
Atsuko Hara, Hiratsuka, JP;
Masao Miki, Katsuta, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A robot for removing an unnecessary portion on a workpiece, comprises a tool for removing the unnecessary portion, a tool positioning apparatus which contains a reference coordinate system, carries the tool attached thereon, and is movable to change a position and a posture of the tool in the reference coordinate system, a jig on which the workpiece is securely fixed to maintain a desired position and a desired posture of the workpiece with respect to the reference coordinate system of the tool positioning apparatus, and an arithmetic unit for calculating a movement path and a posture of the tool moved by the tool positioning apparatus on the basis of a position of the unnecessary portion on a desired shape of the workpiece, in which the arithmetic unit corrects the movement path and the posture of the tool not in accordance with the position of the unnecessary portion on the desired shape of the workpiece, but in accordance with a shape of at least one of the workpiece, the tool and the jig.