Patent ID: 8830607

Claim:
A lens mount provided in an image pickup apparatus body and configured to detachably mount an interchangeable lens having bayonet pawls to the image pickup apparatus body, comprising: a fixed portion configured to be fixed to the image pickup apparatus body; a stationary mount portion configured to be fixed to said fixed portion, said stationary mount portion having a body-side mount face configured for abutment with a lens-side mount face of the interchangeable lens and having a first screw portion; a movable mount portion having pawls configured for engagement with the bayonet pawls of the interchangeable lens and having a second screw portion configured for threaded engagement with the first screw portion; and arm portions provided in an area between said fixed portion and said stationary mount portion to project from said movable mount portion, wherein said movable mount portion rotates with movement of said arm portions, said movable mount portion moves toward said fixed portion with progress of engagement between the first and second screw portions caused by the rotation of said movable mount portion, and the pawls of said movable mount portion are brought in abutment with the bayonet pawls of the interchangeable lens with the movement of said movable mount portion.