B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 9/00 (2006.01) A47B 19/10 (2006.01) A47B 23/00 (2006.01)
Patent
CA 2131402
An adjustable book holder is provided with a book resting frame having two horizontally extending book supporting brackets. The book holder also has a vertically adjustable telescopic left page holder rotatably connected to the frame and having two opposite extremities, at least one of the extremities is provided with a horizontally adjustable book holding finger for retaining left side pages onto the book resting frame. The book holder further has a vertically adjustable telescopic right page holder rotatably connected to the frame and having two opposite extremities, at least one of the extremities being provided with a horizontally adjustable book holding finger for retaining right side pages onto the book resting frame. Furthermore, the book holder includes an articulated adjustable arm for supporting the book resting frame in a predetermined position. A mechanism mounted on the frame for opening and closing the right and left page holders is provided. This mechanism has a lever connected to one of the page holders for opening the same and a first horizontally extending rack having one end operatively connected to the one page holder via one pinion and another opposite end extending toward the other one of the page holders. The mechanism for opening and closing the page holders also has a second horizontally extending rack in line with the first rack. This second rack has one end operatively connected to the other one of the page holders via a set of two intermeshed pinions and another opposite end extending toward the one page holder and located at a predetermined distance away from the opposite end of the first rack for pushing against the same. This mechanism further includes springs for permanently biasing the page holders back to a close position where the fingers bear against the frame or the book resting on it when the lever is released after it has been pulled. Each of the springs is connected between the corresponding page holder and the book resting frame.
Corriveau Andre
Samson Daniel
Corsam Industries Inc.
Robic
LandOfFree
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