发明名称 Electric hand drill or polisher attachment - includes support holder worn by operator and flexible drive shaft for auxiliary hand tool
摘要 The attachment has a flexible drive shaft (31) clamped to the rotary shaft of the drill or polisher (17) at one end and supporting an auxiliary hand tool (35) at its opposite end. The weight of the drill or polisher (17) is supported by a holder (10) attached to a shoulder strap (15) or belt worn by the operator, so that the hands remain free of guiding the tool (35). Pref. the support (10) comprises a plate (11) with spaced fixing points for the strap (15) or belt and a clamp (19) fitted over the spindle neck of the drill (17) or polisher. ADVANTAGE - Operator only supports weight of auxiliary hand tool.
申请公布号 CH666640(A5) 申请公布日期 1988.08.15
申请号 CH19850001523 申请日期 1985.04.10
申请人 BERNHARD SCHWARZ 发明人 SCHWARZ, BERNHARD
分类号 B25F3/00;B25F5/00;(IPC1-7):B23B45/14 主分类号 B25F3/00
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