Bearings – Rotary bearing – Antifriction bearing
Patent
1994-06-03
1996-11-26
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384513, F16C 1904
Patent
active
055778445
ABSTRACT:
The present invention generally relates to the field of jig bushings, and in particular, the present invention is concerned with the field of jig bushings for guiding drills, taps or combination drill & tap tools. Even more particularly the present invention is concerned with the field of rotating bushing that guides a cutting tool and independently will rotate when the cutting tool touches the inner wall of it during the drilling and tapping processes.
REFERENCES:
patent: 4605319 (1986-08-01), Korenhof
patent: 4611933 (1986-09-01), Hofmann et al.
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