发明名称 Clay court scarifier
摘要 A clay surface scarifier includes a portable frame with a first axle and a second axle rotationally connected thereto. At least one scarifying blade, having a cutting edge orthogonal to the first axis, is attached to the first axle and rotatable therewith about the first axis. At least one scarifying blade, having a cutting edge orthogonal to the second axis, is attached to the second axle and rotatable therewith about the second axis. The axes of rotation of the first and second axles are intersecting.
申请公布号 US5829537(A) 申请公布日期 1998.11.03
申请号 US19960734537 申请日期 1996.10.21
申请人 WELCH TENNIS COURTS, INC. 发明人 HOUGHTALING, JAMES VERNON
分类号 A01B21/08;A01B73/00;(IPC1-7):A01B21/02 主分类号 A01B21/08
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