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:
Sep. 08, 1987
Filed:
Mar. 17, 1986
Yukuo Sakagaito, Yokohama, JP;
Katsutoshi Yonemochi, Zama, JP;
Koichi Kawata, Tama, JP;
Takeshi Masaki, Kawasaki, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Abstract
In a polygon mirror construction comprising a polygon mirror with a hole formed at the central position for passing through a shaft of a motor and a supporting means fixed to the shaft of the motor for supporting the polygon mirror, and a space, a groove or a heat insulating plate is formed between the polygon mirror and the supporting means, thereby a heat rise of the polygon mirror is prevented and high accuracy of the polygon mirror construction is assured.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile