Patent ID: 8958010
Filing Date: 2015-02-17
Classification: G02B,H04N

Abstract:
1. A holding mechanism comprising: a fixed member; a movable body which is provided with a first engaging portion and a second engaging portion formed at a distance from the first engaging portion and which is movable relative to the fixed member on a predetermined plane; pressed means which comprises an extension extending from the fixed member to a part of the movable body, a third engaging portion and a fourth engaging portion provided at positions respectively facing the first engaging portion and the second engaging portion being disposed in the extension, the pressed means being movable to a first position where the third engaging portion and the fourth engaging portion engage with the first engaging portion and the second engaging portion and to a second position where the engagement is released; and a press mechanism which is disposed in the fixed member and which presses the extension provided in the pressed means from a direction perpendicular to the predetermined plane to move the extension from the second position to the first position and thereby relatively hold the movable body at a predetermined position of the fixed member, the press mechanism evacuating the extension to a non-pressure position to allow the movement of the extension from the first position to the second position when the press mechanism releases the holding of the movable body at the predetermined position of the fixed member.