| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller grating to be laid on the floor surface or shelf of a closet or the like which facilitates the taking-in and -out of heavy bedding, clothes cases or the like and allows a safe work. SOLUTION: This roller grating 1 comprises both side frames 2 and 3, a middle frame 4 of the same length arranged between them, mounting plates 5 fixed to the front end and rear end upper surfaces of each frame 2, 3, 4, and two roller 6 groups rotatably erected in spaces S and S formed on both sides with the middle frame 4 as the boundary at parallel intervals to the placing plates 5 in the state where the upper ends 6a of the circumferential diameter of the rollers 6 are located higher than the upper surface of each frame 2, 3, 4 and equal to or slightly higher than the upper surface of the mounting plates 5, and the lower ends 6b thereof are floated from the lower surface of each frame 2, 3, 4.
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