A rotation transmitting device comprising: a first rotating shaft having a first rotating part; a second rotating shaft having a second rotating part and being arranged in a direction intersecting with said first rotating shaft; a transmitting member having an internal surface surrounding said first rotating part and said second rotating part; and an intermediate transmitting member arranged between said first rotating part and said second rotating part, wherein said first rotating part is configured to transmit rotation to said transmitting member and to said intermediate transmitting member, said second rotating part is configured to receive said rotation from said transmitting member and from said intermediate transmitting member, and said rotation is transmitted between said first rotating part and said second rotating part by: friction arising between an external surface of said first rotating part and an internal surface of said transmitting member; friction arising between an external surface of said second rotating part and said internal surface of said transmitting member; friction arising between said external surface of said first rotating part and an external surface of said intermediate transmitting member; and friction arising between said external surface of said second rotating part and said external surface of said intermediate transmitting member, characterized in that, the intermediate transmitting member having a cylindrical shape and being rotatably supported by a supporting shaft. a first rotating shaft having a first rotating part; a second rotating shaft having a second rotating part and being arranged in a direction intersecting with said first rotating shaft; a transmitting member having an internal surface surrounding said first rotating part and said second rotating part; and an intermediate transmitting member arranged between said first rotating part and said second rotating part, wherein said first rotating part is configured to transmit rotation to said transmitting member and to said intermediate transmitting member, said second rotating part is configured to receive said rotation from said transmitting member and from said intermediate transmitting member, and said rotation is transmitted between said first rotating part and said second rotating part by: friction arising between an external surface of said first rotating part and an internal surface of said transmitting member; friction arising between an external surface of said second rotating part and said internal surface of said transmitting member; friction arising between said external surface of said first rotating part and an external surface of said intermediate transmitting member; and friction arising between said external surface of said second rotating part and said external surface of said intermediate transmitting member, characterized in that, the intermediate transmitting member having a cylindrical shape and being rotatably supported by a supporting shaft. friction arising between an external surface of said first rotating part and an internal surface of said transmitting member; friction arising between an external surface of said second rotating part and said internal surface of said transmitting member; friction arising between said external surface of said first rotating part and an external surface of said intermediate transmitting member; and friction arising between said external surface of said second rotating part and said external surface of said intermediate transmitting member, characterized in that, the intermediate transmitting member having a cylindrical shape and being rotatably supported by a supporting shaft.