发明名称 TOOL HOLDER FOR AN ELECTRIC TOOL, PARTICULARLY FOR A CHISEL HAMMER AND/OR DRILL HAMMER
摘要 The invention relates to a tool holder for an electric tool, particularly for a chisel hammer and/or drill hammer. A tool receptacle is provided for receiving a cylindrical shaft of an insertion tool introduced through an insertion opening. The cylindrical shaft has at least two diametrically opposed detent depressions on its circumferential surface. The tool holder further has a locking device having at least one locking element, at least one blocking element and at least one restoring element. According to the invention, the locking device has at least two locking elements. Upon insertion of the cylindrical shaft of the insertion tool, the restoring element applies different forces to the locking elements of the locking device.
申请公布号 EP2170562(A2) 申请公布日期 2010.04.07
申请号 EP20080736441 申请日期 2008.04.22
申请人 ROBERT BOSCH GMBH 发明人 BRAUN, WILLY;KOEPF, CHRISTIAN
分类号 B25D17/08;B25D17/24 主分类号 B25D17/08
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