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1. (WO2013114905) LENS BARREL

Pub. No.:    WO/2013/114905    International Application No.:    PCT/JP2013/000592
Publication Date: Fri Aug 09 01:59:59 CEST 2013 International Filing Date: Sat Feb 02 00:59:59 CET 2013
IPC: G02B 7/04
Applicants: PANASONIC CORPORATION
パナソニック株式会社
Inventors: UNO, Tetsuya
宇野 哲哉
Title: LENS BARREL
Abstract:
Provided is a lens barrel capable of improving the design freedom for a cam groove. In a lens barrel (20), the depth of a first cam groove (b5) is substantially the same as the depth of a second cam groove (b4). The length (α1) in the first direction of a first cam projection (B5) is greater than the length (α2) in the first direction of a second straight-line portion (b41). The length (β1) in the second direction of a second cam projection (B4) is greater than the length (β2) in the second direction of a first straight-line portion (b51).