发明名称 PORTABLE DRILLING APPARATUS
摘要 Portable drilling apparatus provided with a magnetic anvil member (10) by means of which it can be secured to a work member. So that the apparatus can be of light weight and be of simple design, mounting means for a cutting tool include a mounting member (18) having a vertically extending elongate part (22) within which a drive spindle (16) is rotatably mounted, the drive means including a vertically extending elongate toothed gearwheel (42) driven by a motor (30), a toothed gear (48) carried by the drive spindle (16) engaging the elongate gearwheel (42) and sliding axially relative thereto. <IMAGE>
申请公布号 GB9111730(D0) 申请公布日期 1991.07.24
申请号 GB19910011730 申请日期 1991.05.31
申请人 SCREEN, DAVID A;WOOLLEY, MICHAEL D 发明人
分类号 B23B45/14;B23B47/04;B25H1/00 主分类号 B23B45/14
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