发明名称 Covering for recreational areas
摘要 A cover for a recreation area including a horizontally disposed cover structure suspended by an upright support member; which cover structure being moveable between a position preventing access to the area and a position clear of the area to permit access thereto. The cover structure may be mounted to be raised or lowered while remaining horizontal or may be pivotally moveable between a horizontal position and a vertical position. Desirably the cover structure can also move in a horizontal plane from a position above the area to a position beside the area.
申请公布号 US3895400(A) 申请公布日期 1975.07.22
申请号 US19740451378 申请日期 1974.03.14
申请人 KELCEY, RAYMOND ROBINSON 发明人 KELCEY, RAYMOND ROBINSON
分类号 E04B1/343;E04B7/14;E04H3/16;E04H4/08;E04H4/10;(IPC1-7):E04H3/16;E04H3/18 主分类号 E04B1/343
代理机构 代理人
主权项
地址