Title:
LENS BARREL, LENS ACCESSORY, AND LENS UNIT EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2015/136871
Kind Code:
A1
Abstract:
A lens barrel according to the present invention is provided with a cylindrical body, a plurality of hooks, and an O-ring. The plurality of hooks is disposed in a circumferential direction at an object-side end and is brought into contact with a plurality of locking sections provided on a hood at a contact surface orthogonal to the optical axis of a lens. The O-ring presses the plurality of locking sections provided on the hood in an optical axis direction. The hooks have flat portions. Each flat portion is disposed in the circumferential direction and is brought into contact with the locking section by pressure due to the O-ring at the surface substantially orthogonal to the optical axis.
Inventors:
YOSHIKAWA TSUTOMU
Application Number:
PCT/JP2015/000985
Publication Date:
September 17, 2015
Filing Date:
February 26, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B7/02; G03B11/04; G03B17/14
Foreign References:
| JPH07159858A | 1995-06-23 | |||
| JP2012058708A | 2012-03-22 | |||
| JP2002006383A | 2002-01-09 | |||
| JPS4737934A |
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
Fujii Kentaro (JP)
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