| 摘要 |
PURPOSE:To obtain an annular dial which has notched at the center by providing one of the inside wall of the dial and the outside wall of a cylindrical projecting part of a device main body and the other with a detaining stripe and a detaining piece respectively to elastically hold the dial without screwing. CONSTITUTION:The inside wall of a dial 1 and the outside wall of a cylindrical projecting part 2c of a device main body 2 to which the dial 1 should be attached are provided with a detaining stripe la and a detaining piece 2a respectively, and they are fitted to each other to hold the dial 1. Plural recessed parts 1b are provided in the lower end part of the dial 1, and an elastic stopper 3 provided with a semicircular projecting part in the center is set to the device main body 2, and thereby, recessed parts 1b of the dial 1 and the stopper projecting part are attached to and detached from each other to rotate and damp the dial 1. |
