Turning – Radially moving rotating tool inside bore – Tool simultaneously moving axially
Patent
1982-07-22
1985-07-16
Bray, W. D.
Turning
Radially moving rotating tool inside bore
Tool simultaneously moving axially
408159, B27G 1500, B23B 4106
Patent
active
045290229
ABSTRACT:
A cutting tool for forming a tapered bore in a workpiece includes a pair of cutting blades pivotally supported in a slot at one end of a member and pivoted by an axially movable expander. In one embodiment, the member also has a drill bit configuration on the end of the member with the slot to initially produce the bore.
REFERENCES:
patent: 858752 (1907-07-01), Potter
patent: 2236944 (1941-04-01), Gerardi
patent: 2325020 (1943-07-01), Shaw
patent: 2520639 (1950-08-01), Johnson
patent: 3358722 (1967-12-01), Berry
patent: 4307636 (1981-12-01), Lacey
patent: 4347768 (1982-09-01), Boehm
Aubel Leo J.
Bray W. D.
Rath Ralph R.
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