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.

Date of Patent:
Aug. 25, 2009

Filed:

Jul. 26, 2005
Applicants:

Katsuhiko Nuno, Yokosuka, JP;

Koichi Sugiura, Yokohama, JP;

Kazuyasu Ohashi, Funabashi, JP;

Inventors:

Katsuhiko Nuno, Yokosuka, JP;

Koichi Sugiura, Yokohama, JP;

Kazuyasu Ohashi, Funabashi, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lens barrel including a telescopic cylinder configured to be accommodated within a fixed cylinder; a plurality of lens groups configured to be retained in the telescopic cylinder; a lens driving device configured to drive the plurality of lens groups along a longitudinal axis of the telescopic cylinder between a collapsed position in which at least one portion of the plurality of lens groups is stored in the fixed cylinder and an extended position in which the at least one portion of the plurality of lens groups is extended out of the fixed cylinder; and a retractable lens group configured to be retracted into the fixed cylinder through an opening in a wall of the fixed cylinder when the telescopic cylinder is in the extended position.


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