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:
Oct. 02, 1990
Filed:
Jan. 12, 1990
Katsunobu Kishi, Tokyo, JP;
Nitto Kohki Co., Ltd., Tokyo, JP;
Abstract
A chamfering machine comprising a planar guide base, a rotary shaft extending at right angles to the guide base, upward and downward cutting edges attached to the rotary shaft and used to chamfer respective bottom and top edges of a workpiece, a first rotation guide located above the upward cutting edge so as to be in contact with a lateral face of the workpiece, a second rotation guide located below the downward cutting edge so as to be in contact with the lateral face of the workpiece, and an adjusting mechanism for retaining the cutting edges and the guide base for relative movement in the axial direction of the rotary shaft and adjusting the relative positions of the cutting edges and the guide base.