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:
Jun. 03, 2008
Filed:
Dec. 06, 2006
Katsuhiko Nuno, Yokosuka, JP;
Katsuhiko Nuno, Yokosuka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A lens barrel including a telescopic cylinder accommodated within a fixed cylinder, and lenses retained in the telescopic cylinder. The lens barrel includes lens retaining frames to retain at least one of the lenses and a lens driving device to drive the lens retaining frames so as to drive the lenses along a longitudinal axis of the telescopic cylinder between a collapsed position in which one portion of the lenses is stored in the fixed cylinder and an extended position in which one portion of the lenses is extended out of the fixed cylinder toward a photographing subject. The lens barrel further includes a retractable lens that is retracted into the fixed cylinder through an opening in a wall of the fixed cylinder when the telescopic cylinder is in the extended position, and a retractable tens retaining frame to retain the retractable lens.