Cutting by use of rotating axially moving tool – Tool-support – With tool-retaining means
Patent
1994-08-12
1995-05-23
Bishop, Steven C.
Cutting by use of rotating axially moving tool
Tool-support
With tool-retaining means
279 75, 279 89, 279905, B23B 3103, B23B 31113
Patent
active
054175275
ABSTRACT:
A quick change chuck assembly for tool bits uses a bayonet style lock. The assembly is constructed with a bore that receives a multi-faceted shank of a tool bit. Rotating the shank within the bore locks the shank in place, preventing undesired axial extraction of the tool bit from the assembly.
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Brochure entitled "Insty-Bit Patented Quick Change System," 1993/1994, by Wienhold Associates, Minneapolis, Minn. 55426.
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