Universal chuck for a machine for piercing a tap hole of a shaft

Details Universal chuck for a machine for piercing a tap hole of a shaft Universal chuck for a machine for piercing a tap hole of a shaft

1993-06-10

1994-09-20

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

266271, 279 19, 279 195, B23B 3110

Patent

active

053484304

ABSTRACT:
A universal chuck is presented which has the ability to either transmit a tensile or pulling force to the end of a piercing rod or transmit a rotational moment or force to a drill bit on a piercing machine for piercing a tap hole of a shaft furnace. The universal chuck of this invention comprises a rotary body mounted on the drive spindle of a working member slidably mounted on a piercing machine. A suitable support structure integral with the working member forms a guide cage around the rotary body. Structure for transmitting the tensile or pulling force to the end of a piercing rod and a rotational moment or force to a drill bit along with structure for adequately controlling operating and cooling fluids to a drill bit are arranged about a front cavity in the rotary body.

REFERENCES:
patent: 3862750 (1975-01-01), Broom
patent: 4284284 (1981-08-01), Sides
patent: 4775159 (1988-10-01), Manschitz
patent: 5039068 (1991-08-01), Venturini et al.

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