| 发明名称 | Street ironwork | ||
| 摘要 | The street ironwork according to the invention includes a frame (4), a manhole cover (6), a hinge (10) for pivotably connecting the covering element relative to the frame between a closed position and an open position, the hinge including a frame knuckle (20) and a covering element knuckle (22).;The street ironwork includes a locking element (40) attached to the covering element knuckle and suitable for preventing the covering element knuckle from being released from the frame knuckle in at least one of the open positions of the covering element relative to the frame or in the closed position. | ||
| 申请公布号 | US8998528(B2) | 申请公布日期 | 2015.04.07 |
| 申请号 | US201214126822 | 申请日期 | 2012.06.13 |
| 申请人 | Saint-Gobain Pam | 发明人 | Boca Jacky;Morcel Yvan |
| 分类号 | E02D29/00;E02D29/14 | 主分类号 | E02D29/00 |
| 代理机构 | Knobbe Martens Olson & Bear LLP | 代理人 | Knobbe Martens Olson & Bear LLP |
| 主权项 | 1. A street ironwork, including: a frame, a covering element, a hinge for pivotably connecting the covering element relative to the frame between a closed position and an open position, the hinge including a frame knuckle and a covering element knuckle, wherein the street ironwork includes a locking element attached to the covering element knuckle after assembly of the covering element knuckle with the frame knuckle and configured to prevent the covering element knuckle from being released from the frame knuckle in at least one of the open positions of the covering element relative to the frame or in the closed position. | ||
| 地址 | Nancy FR | ||