发明名称 Levelling head
摘要 A leveling device with which to orient a workpiece-or tool-affixing upper part relative to a lower part connected to it, the device having at least one adjusting screw of which the shank rotatably passes through the upper part and engages a thread in the lower part. To permit economical manufacture of the device without degradation in accuracy, the invention anchors the upper part in the lower part at a specified spring loading and at a spaced apart distance from the adjusting screw.
申请公布号 US5769561(A) 申请公布日期 1998.06.23
申请号 US19960637268 申请日期 1996.04.25
申请人 SYSTEM 3R INTERNATIONAL AB 发明人 PETTERSSON, BJOERN
分类号 G12B5/00;B23Q1/36;(IPC1-7):B25G3/36 主分类号 G12B5/00
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