A prefabricatedfence is formed by a plurality of upright poles and a plurality of horizontal rails disposed between the poles. Each pole carries a plurality of bulb-shaped connection members projecting radially therefrom. The poles are positioned by pointed rods inserted axially therethrough and driven into the ground. The rails define cylindrical openings at their ends, and the openings slidably engage the connection members whereby the rails are supported at their ends.
申请公布号
US4060222(A)
申请公布日期
1977.11.29
申请号
US19760698504
申请日期
1976.06.22
申请人
PITKIN, SHELDON;VARCADIPANE, RICHARD;POPPE, WALTER H.
发明人
PITKIN, SHELDON;VARCADIPANE, RICHARD;POPPE, WALTER H.