Device for and method of enlarging and center displacing an opening in a work piece
作者： Robert Mortensen
DOI:
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摘要: A device (10) for use in combination with a hole saw (12) of the type including cylindrical hollow body (14) having circular lower cutting edge (16), top mandrel (18) shank (20) engagement chuck (22) drill (24) and pilot bit (26) guiding when new opening workpiece (28) predrilled (30), which center lies within (30). The comprises dowel plug (32) plurality holes (34) therethrough. is inserted into so that can be positioned rotatable manner one on or off (30) (28).
lens.org 参考文章(9)
David L. Gregory, LeVone A. Blough, Apparatus for gaining access to enclosures secured by cylinder locks with minimum damage to internal lock elements ,(1980)
Rolf Spangenberg, Werner Bogner, Paul Deutschenbaur, Method of drilling bores ,(1991)
George Damico, Hole saw guide ,(1984)
Richard A. Schafebook, Peter C. Chaconas, Apparatus for installation of a door lockset ,(1979)
Jeffrey M. Converse, Hole saw guide ,(1993)
Gerald A. Specktor, Tool and method for adjusting camber and caster ,(1988)
John P Russell, Extension guide for drills ,(1960)
Charles C Whittaker, Guide and marker for drilling dowel pin holes ,(1954)
Bernard A. Dahlin, Drill and tap guide ,(1994)