Hot line attachment

Details Hot line attachment Hot line attachment

1989-11-09

1990-12-04

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool-support

279 1A, 408710, B23B 4500

Patent

active

049750046

ABSTRACT:
An apparatus for drilling into energized utility components without having to first de-energize them so as to allow continuous service to consumers is provided. The apparatus includes a drive shaft constructed of an insulating material terminating in a drill chuck and drill bit. The drive shaft is supported by an adjacent rod using pillar block bearing assemblies which allow the uninhibited rotation of the drive shaft. This attachment can be powered by a variety of power units.

REFERENCES:
patent: 3685843 (1972-08-01), Jacyno
patent: 3797960 (1974-03-01), McCarthy
patent: 3910589 (1975-10-01), Derbyshire

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