US 7,532,413 B2
Lens barrel
Chia-Hung Chen, Taipei Hsien (Taiwan); and Chin-Ching Wang, Taipei Hsien (Taiwan)
Assigned to Premier Image Technology(China) Ltd., Foshan, Guangdong Province (China); and Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien (Taiwan)
Filed on Dec. 18, 2007, as Appl. No. 11/959,433.
Claims priority of application No. 2007 1 0201451 (CN), filed on Aug. 24, 2007.
Prior Publication US 2009/0052054 A1, Feb. 26, 2009
Int. Cl. G02B 15/14 (2006.01); G02B 7/02 (2006.01)
U.S. Cl. 359—700  [359/826; 359/827] 16 Claims
OG exemplary drawing
 
1. A lens barrel comprising:
a lens group having an optical axis associated therewith;
a fixed barrel with the lens group received therein, the fixed barrel having a plurality of projections extending radially from the outer surface of the fixed barrel;
a rotatable barrel receiving the fixed barrel therein, the rotatable barrel being rotatable relative to the fixed barrel about the optical axis, the rotatable barrel having an inner latching groove defined in the inner surface thereof and a plurality of insertion cutouts defined in a distal edge of the rotatable barrel with the inner latching groove and communicating with the latching groove, the projections insertable in the insertion cutouts and engaging in the latching groove for preventing the rotatable barrel to move axially relative to the fixed barrel.