发明名称 Mast, preferably for use as light or flag mast, comprises tubular body, preferably of aluminum, in which is located access opening closed by hatch lockable in relation to body
摘要 The hatch (3) and the access opening (4) are each limited by an edge. The hatches are located directly above one another, enclosing a cleft (5). The dimensions of the periphery of the hatch and the access opening are such that the cleft has a continuous width in the peripheral direction. In the cleft an elastic device (6) extends for enclosing and supporting the hatch in relation to the body (1).
申请公布号 NL1009234(C2) 申请公布日期 1999.11.25
申请号 NL19981009234 申请日期 1998.05.20
申请人 ALCOA NEDERLAND B.V. 发明人 ADRIANUS JOHANNES VUGTS;SEBASTIAAN JOHANNES MATHEUS VAN BOXTEL;JOHANNUS MARTINUS PETER HENDRIKA DRABBELS
分类号 E04H12/00;(IPC1-7):E04H12/32 主分类号 E04H12/00
代理机构 代理人
主权项
地址