Drill chuck

Details Drill chuck Drill chuck

1987-11-23

1989-07-04

LaRoche, Eugene R.

Chucks or sockets

Socket type

Lost motion

279 193, 279 194, 279 196, 279 62, 173 48, B23B 522, B23B 534, E02D 702

Patent

active

048444820

ABSTRACT:
The drill chuck has an adapter shaft which is held in the drill chuck nonrotatably with axial motion play and formed for receipt in a tool holder of a hammer drill machine. The hammer action of the adapter shaft is transmittable to the end of a drill held between centrally adjustable clamp jaws through an axial passage. A stop piece is carried in the drill chuck which is movable above the drill chuck axially into a position clamped and locked against the tool holder of the hammer drill machine. Hence axial motion play of the adapter shaft is prevented in both the drill chuck and also in the tool holder and the former is for all intents and purposes rigidly attached with the latter.

REFERENCES:
patent: 2016829 (1935-10-01), Dederer
patent: 3507337 (1970-04-01), Chromy
patent: 4434859 (1984-03-01), Rumpp et al.
patent: 4621820 (1986-11-01), Rohm

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