Turning – Lathe – Tool rest
Reexamination Certificate
2006-03-21
2006-03-21
Fridie, Jr., Willmon (Department: 3722)
Turning
Lathe
Tool rest
C082S159000, C082S160000, C029S040000
Reexamination Certificate
active
07013775
ABSTRACT:
A cutter holder for CNC lathe is disclosed to include a bottom holder block, which is affixed to the frame of a CNC lathe with screws and has a positioning groove with a middle semispherical recess for holding a barrel that holds a tool shank with a front chuck for holding a cutting tool, and a top holding down block, which is detachably affixed to the bottom holder block with screws to hold down the barrel and has a semispherical bottom recess fitting the spherical middle flank portion of the barrel corresponding to the middle semispherical recess of the bottom holder block.
REFERENCES:
patent: 3005365 (1961-10-01), Billman
patent: 5063799 (1991-11-01), Brewer
patent: 5417131 (1995-05-01), Robertson
patent: 6003415 (1999-12-01), Turner et al.
Hsu Ting-Tsai
Song Yeo-Ching
Fridie Jr. Willmon
Rosenberg , Klein & Lee
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