| 发明名称 | Twisted block | ||
| 摘要 | A block suitable for use in paving, edging or wall applications comprises a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width, and an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width. The second width is smaller than the first width of the lower portion, and the side faces of the upper portion are angled relative to the side faces of the lower portion. The block further comprises a transition portion between the upper and lower portions, having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion. | ||
| 申请公布号 | US9464434(B2) | 申请公布日期 | 2016.10.11 |
| 申请号 | US201414205760 | 申请日期 | 2014.03.12 |
| 申请人 | Keystone Retaining Wall Systems LLC | 发明人 | MacDonald Robert A.;Riccobene Thomas S. |
| 分类号 | E04C5/04;E04C1/00;A01G1/08;A01G1/00;E01C5/04;E01C5/06;E01C5/16;E04B2/12;E04C1/39 | 主分类号 | E04C5/04 |
| 代理机构 | Greer, Burns & Crain, Ltd. | 代理人 | Greer, Burns & Crain, Ltd. |
| 主权项 | 1. A block suitable for use in paving, edging or wall applications, the block comprising: a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width; an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width, the second width being smaller than the first width of the lower portion, the side faces of the upper portion being twisted in plan view relative to the side faces of the lower portion; and a transition portion extending from the upper and lower portions having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion. | ||
| 地址 | Minneapolis MN US | ||