COMPASS,申请号GB1989000694-传众专利搜索

COMPASS

申请公布号：WO1989012534(A1)

申请号：GB1989000694

申请日期：1989.06.21

申请公布日期：1989.12.28

摘要：<p>A compass for sweeping a circle on a sheet of material comprises an annular base having a lower surface engageable with the material. A support member is rotatably supported on the base and a toolholder is mounted on the support member. The toolholder is moveable with the support and upon rotation of the support relative to the base, sweeps an arc of circle. The toolholder has a toolpost to support a tool and permit movement of the tool relative to the support member in a direction generally normal to the sheet of material to facilitate movement of a tool mounted in the holder into and out of engagement with the sheet of material.</p>

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