发明名称 Baseball base setting apparatus
摘要 Apparatus for setting bases at selected locations on a baseball or softball field, comprising a base anchor socket or peg member designed to be complementarily engageable with stud members associated with or forming a part of the undersides of bases, a base anchor setting assembly including an elongated shank portion with an associated force transferring portion, which base anchor setting assembly is adapted to be complementarily engageable with the base anchor socket member, and a driving member complementarily engageable with the base anchor setting assembly and operable when so engaged and when the base anchor setting assembly and base anchor socket member are also engaged with one another to effect the repetitive application of force to and through the force transferring portion to cause the base anchor socket member to be driven into the ground at a selected location.
申请公布号 US4790533(A) 申请公布日期 1988.12.13
申请号 US19880178843 申请日期 1988.04.01
申请人 POTTHAST, SR., CLARENCE H. 发明人 POTTHAST, SR., CLARENCE H.
分类号 E04H12/22;(IPC1-7):A63B71/00 主分类号 E04H12/22
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