发明名称 Marker post system
摘要 A marker for golf courses and similar locations including an in-ground receptacle, a surface plate mounted on and in surrounding relationship with the top of the receptacle at ground level, and a tubular "stake" which fits into the receptacle. The plate and receptacle form a swivel bearing to permit the surface plate to lie flush with non-level ground while retaining the vertical orientation of the stake and receptacle. The plate is crowned to shed balls.
申请公布号 US4926785(A) 申请公布日期 1990.05.22
申请号 US19890409280 申请日期 1989.09.19
申请人 LOCKWOOD MANUFACTURING CO. 发明人 LAMSON, FREDERICK W.
分类号 E01F9/011;E04H12/22 主分类号 E01F9/011
代理机构 代理人
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