Shelf for books |
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| 申请号 | US3667402D | 申请日 | 1971-05-03 | 公开(公告)号 | US3667402A | 公开(公告)日 | 1972-06-06 |
| 申请人 | KENT M GRAVES; | 发明人 | GRAVES KENT M; | ||||
| 摘要 | The invention relates to a shelf for books or the like having an insert which allows the shelf to be easily converted for use with either normal or conventional sized books in one instance or smaller books such as paperbacks in another instance. | ||||||
| 权利要求 | 1. A shelf for a bookcase for holding books of conventional size and smaller paperback books comprising, a rear horizontally extending planar section, a front ledge section having the same elevation as said rear section, an inclined section between said rear and ledge sections, a dual purpose plate having a first position between and in the same plane as said rear and ledge sections, said plate having a second position extending upwardly and at right angles to said inclined section, and supporting means for supporting said plate in said first and second positions, wherein said supporting means include ledge means recessed relative to said planar and ledge sections. 2. A shelf for a bookcase for holding books of conventional size and smaller paperback books comprising, a rear horizontally extending planar section, a front ledge section having the same elevation as said rear section, an inclined section between said rear and ledge sections, a dual purpose plate having a first position between and in the same plane as said rear and ledge sections, said plate having a second position extending upwardly and at right angles to said inclined section, and supporting means for supporting said plate in said first and second positions, wherein said supporting means includes a groove recessed relative to said inclined section at the rear edge thereof. |
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| 说明书全文 | |||||||
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