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:
Oct. 28, 2008

Filed:

Nov. 14, 2005
Applicants:

Yoshifumi Mitani, Osaka, JP;

Naohiko Hayashi, Matsubara, JP;

Inventors:

Yoshifumi Mitani, Osaka, JP;

Naohiko Hayashi, Matsubara, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are provided a lens barrel unit and an imaging apparatus in which a plurality of constituent elements can be driven using a linear driving mechanism. The lens barrel unitcomprises: an actuatorfor positioning a driving memberthat is linearly movable along a driving shaft; a movably supported first moving memberthat is linked to a lens; a movably supported second moving member; a first force-applying memberthat applies a force to the first moving memberin a direction to cause the first moving memberto contact the driving member, thus causing the first moving memberto follow linear movement of the driving member; a first restricting memberthat limits movement of the first moving member, thus isolating the first moving memberfrom the driving member; a second force-applying memberthat applies a force to the second moving memberin a direction to cause the second moving memberto contact the driving member, thus causing the second moving memberto follow linear movement of the driving member; and a second restricting memberthat limits movement of the second moving member, thus isolating the second moving memberfrom the driving member, wherein the direction of the force applied by the first force-applying memberand the direction of the force applied by the second force-applying memberare opposite.


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