| 发明名称 | Frame structure for stage erection | ||
| 摘要 | A frame structure for stage erection comprises a plurality of support frames and a bridge. The support frames are disposed parallel to each other, and respectively have rail recesses formed in the length direction in facing locations. The bridge connects across the support frames so as to maintain a mutually parallel state, and has a rail-joining part for fastening to and separating from the rail recesses in at least one of the two end locations. | ||
| 申请公布号 | US8920252(B2) | 申请公布日期 | 2014.12.30 |
| 申请号 | US201113812509 | 申请日期 | 2011.08.11 |
| 申请人 | People Ent Co., Ltd. | 发明人 | Kim Sang-Wook |
| 分类号 | A63J1/00;E04H3/22 | 主分类号 | A63J1/00 |
| 代理机构 | Maxon IP, LLC | 代理人 | Maxon IP, LLC ;Kim Justin H. |
| 主权项 | 1. a frame structure for stage erection comprising: a plurality of support frames disposed parallel to each other, each of the support frames having a rail recess formed in a length direction at a portion where they are opposed to each other; and a plurality of bridges being connected between the support frames to keep the parallel state of the support frames, each of the bridges having a rail-joining part which is formed on at least one of both end portions thereof and is joined to or separated from the rail recess; wherein the rail recess has an inner width greater than that of an entrance where the support frames are opposed to each other, and the rail-joining part has a retaining portion inserted into the rail recess to be caught to the entrance. | ||
| 地址 | Goyang KR | ||