Patent ID: 8781315

Claim:
A camera accessory device that is removably attached to a camera-side accessory shoe having an electric contact, comprising: an operation member; a shoe member configured to be engaged with the camera-side accessory shoe; a contact pin configured to be held in contact with the electric contact in a state where said shoe member is engaged with the camera-side accessory shoe; and a moving member configured to be movable, in accordance with operation of said operation member, to a shoe member-locking position for locking said shoe member to the camera-side accessory shoe and a shoe member-unlocking position for unlocking said shoe member from the camera-side accessory shoe, and a contact urging member configured to urge said contact pin held in contact with the electric contact toward the electric contact, wherein said contact urging member is more compressed in a state that said moving member has moved to the shoe member-locking position than in a state that said moving member has moved to the shoe member-unlocking position, and wherein said contact pin is urged by said contact urging member such that an urging force applied to the electric contact becomes larger in a state that said moving member has moved to the shoe member-locking position than in a state that said moving member has moved to the shoe member-unlocking position.