| 摘要 |
PURPOSE:To take excellent copies of a thin original printed on both sides by equipping an original retaining plate, whose one side is formed in white whilt the other side is formed in black, freely reversibly, and by enabling to select either the white original retaining side or black one. CONSTITUTION:An original retaining plate 1 has an original retaining surface 2 made of a white elastic body on one side and an original retaining surface 3 of a black elastic body on the reverse side. This original retaining plate is equipped freely reversibly to an original retaining plate frame 5 with a couple of pins 4 provided at its center edge parts. This plate frame 5 is provided with a rotaion stop 6 and a user selects either the white original retaining surface 2 or black original retaining surface 3, with which an original is retained for use. When the surface 3 is selected, a copy is prevented from blackening on the whole. |
