Title:
レンズ鏡筒
Document Type and Number:
Japanese Patent JP7128889
Kind Code:
B2
Abstract:
A lens barrel capable of increasing the moving range of a lens includes: a lens retainer frame for holding a lens; a drive unit for driving the lens retainer frame along the optical axis direction; a first cylinder that holds the drive unit and has a cam follower; a second cylinder that has a cam groove for engaging the cam follower; and a bias part for biasing the first cylinder along the optical axis.
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| JPH08327872 | LENS DEVICE |
Inventors:
Kunihiko Shimizu
Satoshi Izumi
Takehiro Koizumi
Satoshi Izumi
Takehiro Koizumi
Application Number:
JP2020527328A
Publication Date:
August 31, 2022
Filing Date:
June 04, 2019
Export Citation:
Assignee:
NIKON CORPORATION
Tochigi Nikon Corporation
Tochigi Nikon Corporation
International Classes:
G02B7/04; G02B7/08; G02B7/10; G03B17/14
Domestic Patent References:
| JP2018066916A | ||||
| JP7063970A | ||||
| JP2013145272A | ||||
| JP2016048283A | ||||
| JP2004191668A |
Attorney, Agent or Firm:
Ryuta Kato
Kumiko Motoki
Kumiko Motoki