Continuous boring or cutting machine

Details Continuous boring or cutting machine Continuous boring or cutting machine

1978-01-17

1979-10-16

Pate, III, William

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Rotary cutter head with advance direction coincident or...

299 86, E21C 104

Patent

active

041711483

ABSTRACT:
The invention relates to a continuous boring or cutting machine provided with tools animated by a sweeping movement, said machine comprising a plurality of tool-holders mounted to oscillate on a rotating structure, these oscillations being controlled in synchronism by a rotary jack coaxial with respect to the rotating structure, the rod of the jack being fast with an element to which each tool-holder is connected by a connecting rod having a foot jointed on to said element and having a head jointed on to the tool-holder. The invention is more particularly applied to tunneling machines.

REFERENCES:
patent: 3035822 (1962-05-01), Lundquist et al.
patent: 3109635 (1963-11-01), Bergman
patent: 3118310 (1964-01-01), Jablonsky
patent: 3713700 (1973-01-01), Montacie

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