| 摘要 |
PURPOSE:To mount a negative film so as to adhere tightly, on a rotary drum by providing a supporting piece provided on one end in the winding direction of the film, a connecting piece provided on the other end, an elastic part provided on the supporting piece, and a hooking groove scooped out on the connecting piece, and hooking a hooking part provided on the elastic part into the hooking groove. CONSTITUTION:The head of a negative film 1 is located by fitting a locating hole 3 of a supporting piece 2 into a locating pin 11 provided on a rotary drum 10. Subsequently, the negative film 1 is wound round the rotary drum 10, a fitting part 4B of an elastic member 4 is inserted into a hooking groove 9 of a connecting piece 7, and when the connecting piece 7 is moved in the direction as indicated with an arrow A, mounting of the negative film 1 to the rotary drum 10 is completed. In this case, a plate spring is in a state that it is drawn in the direction of the connecting piece, as shown with a dotted line in a figure, and the negative film 1 is always stretched. |
