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.:

US 6721111 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 13, 2004

Filed:

Mar. 20, 2002
Applicant:
Inventors:

Hiroshi Nomura, Saitama, JP;

Takamitsu Sasaki, Saitama, JP;

Kazunori Ishizuka, Kanagawa, JP;

Maiko Takashima, Tokyo, JP;

Assignee:

PENTAX Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 ; G02B 1/726 ; G02B 2/114 ; F21V 1/700 ;
U.S. Cl.
CPC ...
G02B 7/02 ; G02B 1/726 ; G02B 2/114 ; F21V 1/700 ;
Abstract

A lens guide mechanism includes a lens frame which supports a photographing lens group, the lens frame including a plurality of guide holes extending in a direction parallel with an optical axis; a support barrel in which the lens frame is provided; a gear holding member which is provided at a front end of the support barrel; a gear train which is held between the support barrel and the gear holding member, the gear train constituting a drive mechanism for the lens frame; and a plurality of linear movement guide rods provided in the gear holding member, which extend through the guide holes of the lens frame and support the lens frame to move linearly in the optical axis direction relative to the support barrel.


Find Patent Forward Citations

Nomura, Hiroshi. (2004). Lens guide mechanism (U.S. Patent No. 6721111). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6721111

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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