| 摘要 |
PROBLEM TO BE SOLVED: To provide an accessory which is to be attached to a device with good operability.SOLUTION: An accessory 300 for a device is removably attached to a device 200 having a female screw 205. The accessory includes a screw member 305 which is rotatable relative to an accessory body 302 and has a male screw capable of being engaged with the female screw, and an operation member 304 which is rotationally operated to rotate the screw member. The accessory body has a contact part 302 to be brought into contact with the device in a screw shaft direction and a rotation stop part 302b which is to be rocked by a rocking part 204b provided on the device to stop the rotation of the accessory body relative to the device. The operation member is rotatably held in a fixed positive relative to the accessory body to allow movement of the screw member relative to the operation member and the accessory body in the screw shaft direction. The screw member is urged by an urging member 306 toward the side to be inserted to the female screw, of the male screw in the screw shaft direction. |
