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
1998-09-23
2000-02-01
Pitts, Andrea L.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Having tool-opposing, work-engaging surface
408138, 408204, B23B 3900
Patent
active
060195517
ABSTRACT:
An extractor comprising (a) a frame being configurable in an extracting position having a front and back orientation; and (b) an extractor assembly mountable to said frame for imparting a backward urging force against a drill bit lodged within said object.
REFERENCES:
patent: 344566 (1886-06-01), Cluever
patent: 833001 (1906-10-01), Press
patent: 3707043 (1972-12-01), Jones
patent: 4468159 (1984-08-01), Oster
patent: 5051044 (1991-09-01), Allen
patent: 5797708 (1998-08-01), Bencic
Bhargava Adesh
Internatioal Paper Company
Pitts Andrea L.
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