Title:
LENS BARREL
Document Type and Number:
Japanese Patent JP2022145987
Kind Code:
A
Abstract:
To provide a lens barrel, backlash in which is prevented.SOLUTION: The lens barrel comprises: a first guide shaft 14A; a second guide shaft 14B; and a first cylinder 13 having a first contact part 3AF and a second contact part 3AB being in contact with the first guide shaft 14A and a third contact part 3BB and a fourth contact part 3BF being in contact with the second guide shaft 14B and being movable in an optical axis direction. A first position P1 at which the first contact part 3AF comes into contact with the first guide shaft 14A and a third position P2 at which the third contact part 3BB comes into contact with the second guide shaft 14B are arranged on the underside of one side of a plane that includes the first guide shaft 14A and the second guide shaft 14B. A second position R1 at which the second contact part 3AB comes into contact with the first guide shaft 14A and a fourth position R2 at which the fourth contact part 3BF comes into contact with the second guide shaft 14B are arranged on the upper side of the other side of the plane.SELECTED DRAWING: Figure 3
Inventors:
TAMAKI SHO
MATSUKAWA EIJI
FUKINO KUNIHIRO
YAMAGUCHI SATOSHI
EBIHARA AKIMITSU
MATSUKAWA EIJI
FUKINO KUNIHIRO
YAMAGUCHI SATOSHI
EBIHARA AKIMITSU
Application Number:
JP2021046749A
Publication Date:
October 05, 2022
Filing Date:
March 22, 2021
Export Citation:
Assignee:
NIKON CORP
International Classes:
G02B7/04
Attorney, Agent or Firm:
Ryuta Kato
Kumiko Motoki
Kumiko Motoki
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