Title:
LENS BARREL AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/021150
Kind Code:
A1
Abstract:
A lens barrel equipped with an object-side lens guided by a guide bar, wherein the lens barrel is provided with a first guide shaft provided on the inner peripheral side of a fixed tube so as to extend in the direction of the axis thereof, a second guide shaft provided on the outer peripheral side of the fixed tube so as to extend in the direction of the axis and having at least a portion thereof overlapping the first guide shaft in the longitudinal direction thereof, a first holding member for holding a first lens, having a first engaging section engaging with the first guide shaft, and moving along the first guide shaft, and a second holding member for holding a second lens located on the object side of the first lens, having a second engaging section engaging with the second guide shaft, and moving along the second guide shaft. The range of movement of the first engaging section along the first guide shaft and the range of movement of the second engaging section along the second guide shaft at least partially overlap each other in the direction of the axis.
More Like This:
Inventors:
FUKINO, Kunihiro (2-3 Marunouchi 3-chome, Chiyoda-k, Tokyo 31, 〒1008331, JP)
Application Number:
JP2009/003998
Publication Date:
February 25, 2010
Filing Date:
August 20, 2009
Export Citation:
Assignee:
NIKON CORPORATION (2-3 Marunouchi 3-chome, Chiyoda-ku Tokyo, 31, 〒1008331, JP)
株式会社ニコン (〒31 東京都千代田区丸の内３丁目２番３号 Tokyo, 〒1008331, JP)
株式会社ニコン (〒31 東京都千代田区丸の内３丁目２番３号 Tokyo, 〒1008331, JP)
International Classes:
G02B7/04; G02B7/04
Attorney, Agent or Firm:
RYUKA IP Law Firm (5F Shinjuku Square Tower, 22-1 Nishi-Shinjuku 6-chome, Shinjuku-k, Tokyo 05, 〒1631105, JP)
Download PDF: