SU14812A1 - Device for copying pictures from books - Google Patents

Description

The present invention is intended to copy drawings from books printed from one side of a sheet. For this purpose, a box with a window at the top and a side cut is used to insert a cassette with a photosensitive plate or a film that contacts the pattern pressed down from the top by a transparent celluloid plate, a thick plate glass and two clips, in order to obtain direct contact of the image with the photosensitive surface.

In FIG. 1 is a perspective view of the tool; and FIG. 2 - cut it.

The plate 1 is fitted with a box 2, fitted on top with a window, and with a side slit 3 for passing a sheet of book and a slot for inserting the cassette 4. The latter has a cut into which the photosensitive plate or film 5 pressed by a transparent celluloid plate B is pressed with a thick mirror glass 7 and a frame 8 with a window 9, whereby for tight connection of all parts during operation screw clamps 10 are put on both edges of the device 10. The cassette 4, supported by the spring 11 from below, is pulled out with the help of a handle 12, and in order to eliminate friction photosensitive

The layer of the plate or film 5 is about the inner side of the box 2. Along the edges of the latter there are protrusions 13 with roundings facing inward.

In order to copy a picture from a book, under the last one they put a box 2 with the cassette 4 pushed in so that the window of the box 2 is located under the picture. A transparent celluloid plate b, a thick plate glass 7 and a frame 8 are placed on the back side of the latter, and a metal plate 1 is placed under the box 2. Then two screw clamps 10 are put on both ends of the device, the window 9 is covered with a flap, and the cash dispenser 4 is pushed by means of the handle 12 while the plate or film 5 is located under the pattern, fasten the screws on the clips and remove the cover from the window 9, thereby allowing the light to pass through the window, 9, glass 7, plate 6 and the sheet of paper with a pattern and capture the latter in light sensitive layer. After that, the window 9 is closed with a lid, the screws on the clamps 10 are loosened and the cassette 4 is pushed inside the box 2 to its original position.

The subject of the patent.

Device for copying drawings from books, characterized by.

that it consists of a set on me-: stink 6, thick plate glass 7 and

the tall plate lid 1 of the box 2,: a frame 8 with a window 9, and for a densely supplied window at the top, a cutout of the side connection of all the parts during

for inserting the cassette 4 with the plate: works are provided by screw fastening with a film and a slit 3 for passing the fasteners that are put on both edges of the book's holder, and on top of the installation box; "Foam transparent celluloid plate

2 -

nineteen

Jff

fig

FIG. 2

///////// л (

,five