Impact assisted segmented cutterhead

Details Impact assisted segmented cutterhead Impact assisted segmented cutterhead

1991-04-15

1992-06-23

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Percussive-type cutter

37DIG18, 1731621, E22C 302

Patent

active

051237105

ABSTRACT:
An impact assisted segmented cutterhead device is provided for cutting various surfaces from coal to granite. The device comprises a plurality of cutting bit segments deployed in side by side relationship to form a continuous cutting face and a plurality of impactors individually associated with respective cutting bit segments. An impactor rod of each impactor connects that impactor to the corresponding cutting bit segment. A plurality of shock mounts dampening the vibration from the associated impactor. Mounting brackets are used in mounting the cutterhead to a base machine.

REFERENCES:
patent: 2228445 (1941-01-01), DeVelbiss
patent: 2443492 (1948-06-01), Austin
patent: 3305953 (1967-02-01), Von Mehren et al.
patent: 4625438 (1986-12-01), Mozer
patent: 4724912 (1988-02-01), Miyazaki et al.

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