发明名称 Scarifying machine
摘要 A scarifying tool is disclosed suitable for use in conjunction with disc floor maintenance machines. The scarifying tool includes a support plate with a plurality of resilient or flexible members attached thereto. The flexible member may be lightweight spring-steel strap material one end of which is secured to a disc plate. A cutter is then mounted on the strap at a point spaced from the disc support.
申请公布号 US4295274(A) 申请公布日期 1981.10.20
申请号 US19780928685 申请日期 1978.07.27
申请人 TENNANT COMPANY 发明人 BRICHER, CHARLES W.;HERPERS, FERDINAND J.
分类号 A47L13/08;B28D1/18;E04F21/22;E04G23/00;(IPC1-7):B26B27/00;B26B25/00 主分类号 A47L13/08
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