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:
Jul. 14, 1998
Filed:
Dec. 31, 1996
Jiro Tsuchishima, Mitaka, JP;
Kiyotaka Chiba, Mitaka, JP;
Tokyo Seimitsu Co., Ltd, Tokyo, JP;
Abstract
A blade mounting structure in which a mounted blade is rotated in a well-balanced condition and further the blade can be easily attached to and detached from the apparatus is provided, which structure comprises a mount including a flange and a first cylindrical engagement portion and a first screw portion; a cutting blade including a second engagement portion; and a screw member including a second screw portion, wherein the cutting blade is mounted onto the mount so that the first engagement portion is engaged with the second engagement portion, and the second screw portion is screwed into the first screw portion and wherein the tolerance of the engagement portions, the thickness of the first engagement portion, the gap between the flange and the first engagement portion, and the diameter of the flange are selected to have a particular relationship such that the engagement portions are not engaged under an inappropriate contact condition when the blade is inserted into the mount.