US 7,573,656 B2
Lens barrel
Takumi Uehara, Tokyo (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Jul. 30, 2007, as Appl. No. 11/830,119.
Claims priority of application No. 2006-208648 (JP), filed on Jul. 31, 2006.
Prior Publication US 2008/0037144 A1, Feb. 14, 2008
Int. Cl. G02B 7/02 (2006.01)
U.S. Cl. 359—811  [359/819] 8 Claims
OG exemplary drawing
 
1. A lens barrel comprising:
a barrier blade adapted to openably cover an image-taking aperture, said barrier blade being adapted to be moved in a storage space in an open state of said barrier blade corresponding to an image-taking position of the lens barrel; and
a moving member including a leading end, said moving member being adapted to relatively move closer to said barrier blade in an optical axis direction when said barrier blade is switched from the open state corresponding to the image-taking position of the lens barrel to a closed state corresponding to a standby position of the lens barrel, whereby said leading end enters the storage space when said barrier blade is in the closed state.