Drill chuck for tapping and drilling

Details Drill chuck for tapping and drilling Drill chuck for tapping and drilling

1985-10-03

1987-02-24

Sipos, John

Cutting by use of rotating axially moving tool

Means to drive tool

Universal or flexible drive connection to rotate tool

279 16, 279 62, 408240, B23B 3914

Patent

active

046453873

ABSTRACT:
A chuck has a rear chuck part centered on a rear axis and adapted to be secured to the spindle of a drill for rotation about the rear axis, a front chuck part centered on a front axis, and a universal joint interconnecting the two parts for joint rotation about the rear axis with the front axis movable between a position on the rear axis and a position with the front axis intersecting and skew, that is nonparallel, to the rear axis. Jaws on the front chuck part can be radially displaced thereon relative to the front axis to clamp a tool--a tap or drill bit--at the front axis in the front part. A locking element carried on one of the parts is engageable with the other part for holding the parts with the axes coaxial and nondisplaceable relative to each other.

REFERENCES:
patent: 2416586 (1947-02-01), Jones
patent: 2508459 (1950-05-01), Hoffsommer
patent: 2767564 (1956-10-01), Green
patent: 4274314 (1981-06-01), Repinski

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