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. 08, 1999
Filed:
May. 05, 1997
Kiyotaka Shiga, Okazaki, JP;
Akio Fukui, Toyohashi, JP;
Kazuaki Terada, Toyota, JP;
Takahiro Yamada, Anjo, JP;
Haruyasu Toyoda, Toyota, JP;
Masashi Miyake, Toyota, JP;
Akihiro Umeda, Chiryu, JP;
Fuji Seiko Limited, Toyota, JP;
Abstract
A drill including a cutter member and a shank which are formed separately from each other and fixed to each other for rotation as a unit, wherein the shank has an engaging groove formed in a distal end face thereof such that the engaging groove extends in an axial direction of the shank and is aligned with a center of the distal end face, and the cutter member consists of a rectangular plate including a proximal end portion fixed to the shank by engagement thereof with the engaging groove, and a distal end portion which is remote from the shank and which has at least one cutting edge.