ADAPTER DEVICE, IMAGE FORMING DEVICE AND ACCESSORY Russian patent published in 2021 - IPC G03B17/14 H01R13/213 

FIELD: physics.

SUBSTANCE: invention relates to an adapter device, a fastening device and an accessory. Adapter device comprises a first attachment element on one side and a second attachment element on the other side, where the first attachment member is detachably mounted on the first image forming apparatus and the second attachment member is detachably attachable to a first accessory of the camera, wherein the first and second attachment elements have portions of the recesses of the attachment member, wherein sections of first, second and third protrusions of fastening element are inserted into corresponding sections of recesses of fastening element provided on first image forming apparatus, wherein sections of the fourth, fifth and sixth protrusions of the fastening element are inserted into the corresponding areas of recesses of the fastening element provided on the first accessory of the camera.

EFFECT: creation of attachment, which can prevent occurrence of gaps (play) between attachment element of lens and fastening element on side of camera in state of connection.

36 cl, 25 dwg