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:
Apr. 14, 1992
Filed:
Nov. 05, 1990
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
In a cylinder grinding machine including grinder supporting table which rotatably supports a grinder for grinding a cylindrical workpiece, a mechanism for feeding the grinder supporting table toward the cylindrical workpiece and a device for relatively moving the workpiece and the grinder in their axial directions, there is provided a computer control apparatus. The control apparatus is constituted by a workpiece diameter measuring device, a central processing unit for calculating the diameter of the workpiece at respective positions along the axis of the workpiece and control means for controlling the amount of feed of the grinder supporting table such that diameter errors would be lesser than a permissible value.