发明名称 Impact driver and fastener removal device
摘要 A fastener impact driver device 10 includes a fastener engagement member 12 having a plurality of projections 14 disposed about a lower portion 16 that engages a corresponding peripheral portion 18 of a fastener 20 . The device 10 further includes a positioning member 22 having an upper portion 24 that ultimately receives a force thereupon, and a lower portion 26 that engages a cooperating upper portion 28 of the fastener engagement member 12 whereby a force such a hammer strike is imparted upon the upper portion 24 of the positioning member 22 to drive the projections 14 of the fastener engagement member 12 into the head 44 of the fastener 20 without damage of the fastener engagement member 12 , whereupon the positioning member 22 is removed from the fastener engagement member 12 and a hand tool is removably secured to the fastener engagement member 12 to impart rotary motion to the member 12 and the fastener 20 thereby removing the fastener 20 from or urging the fastener 20 into a workpiece.
申请公布号 US2006101950(A1) 申请公布日期 2006.05.18
申请号 US20050323129 申请日期 2005.12.30
申请人 KOZAK IRA M;KOZAK BURTON 发明人 KOZAK IRA M.;KOZAK BURTON
分类号 B25B13/50;B25B;B25B13/06;B25B13/48;B25B19/00;B25B21/02;B25B27/00;B25B27/18;B25B29/00;B25B31/00;B25C11/00;B25D1/04;B25D17/02 主分类号 B25B13/50
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