Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Having tool-opposing – work-engaging surface
Patent
1975-11-17
1977-06-07
Weidenfeld, Gil
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Having tool-opposing, work-engaging surface
408112, 81 51R, 269 873, B23B 4900
Patent
active
040279928
ABSTRACT:
A boring tool guide device is disclosed in which there is included a standardized power source connector suitable for coupling with a moving power source, a boring tool, surfaces to mate with jigs and fixtures, a pre-set depth control spacer, and yieldable means for automatic retraction of the boring tool from the work piece.
REFERENCES:
patent: 1212634 (1917-01-01), Hathaway
patent: 1346235 (1920-07-01), Muller
patent: 2915926 (1959-12-01), Woerner
patent: 3386318 (1968-06-01), Pekarcik et al.
patent: 3540322 (1970-11-01), Swanson
Mackey, Jr. Bruce A.
Mackey, Sr. Bruce A.
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