Bookrest comprises frame, rear support and rest, each formed from rectangular section strips and horizontal rails, with rear support rotatably mounted on one round rail of frame, and rest rotatably mounted on another rail of frame

摘要

The bookrest comprises a frame formed from two rectangular section strips (1) and several round rails (2). The rear support (3) is rotatably mounted on one of the round rails of the frame and is formed from two rectangular section strips (4) and one round rail (5). The rest (6) for the rear support consists of two rectangular section strips (7) and one round rail (8) and is rotatably mounted on one rail (9) of the frame. The rear support is supported on pins (10) which are fixed in the strips of the rest.