To make it possible to store books, which are heavy items, under a floor by improving the strength of the bookcase by means of making it with wood.
A square box shaped bookcase 3 with its top opened is formed with a wooden bottom board 1 and four wooden side boards 2 on four sides. A stile member 4 is fitted on the top end outside of a pair of side boards 2 of the bookcase 3 in the longitudinal direction to the side board 2 and a traveling roller 5 is fitted to the outside of the stile member 4. An opening for taking books in and out of the bookcase 3 is provided on a floor and a plural number of bookcases 3 are arranged on the underfloor. Traveling rollers 5 on both sides of the bookcase 3 is fitting into a pair of traveling rails arranged in parallel to each other on the underfloor in a freely traveling stype. The bookcase 3 being made of wood, it can bear sufficient strength as compared with the conventional synthetic resin made bookcases and books, which are heavy items, can be stored.
TANAKA YOSHIFUMI
OINISHI YOUZOU
Next Patent: STAND FOR SUPPORTING WORKING SCAFFOLD BOARD