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:
Dec. 10, 2002
Filed:
May. 09, 2001
Gouji Funatsu, Saitama-ken, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
First lens frame has first front and rear shaft bearings that engage with the first guiding shaft along the optical axis, and a second shaft bearing that engages with a second guiding shaft along the optical axis. The first front and rear shaft bearings are spaced apart from each other along the first guiding shaft. Second lens frame has third front and rear shaft bearings that engage with the second guiding shaft, spaced apart form each other, and fourth shaft bearing that engages with the first guiding shaft. The third front and rear shaft bearings are arranged with the second shaft bearing between them, and fourth shaft bearing is disposed between the first front and second shaft bearings.