Lathe attachment with axially movable chuck

Details Lathe attachment with axially movable chuck Lathe attachment with axially movable chuck

1987-10-29

1989-03-28

Schmidt, Frederick R.

Turning

Lathe

Attachment

279 1A, 408135, B23B 336

Patent

active

048153478

ABSTRACT:
A housing is shaped to mate with a large turret or engine type lathe tailstock. A rack and pinion assembly is mounted within the housing with a chuck attached to an end of the rack. An adjustable hand lever is attached to the pinion and allows the operator to advance the rack and chuck with precision control. The attachment virtually eliminates drill bit breakage.

REFERENCES:
patent: 3258997 (1966-07-01), Krisovitch
patent: 4301699 (1981-11-01), Butler
patent: 4484608 (1984-11-01), Ferdinand

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