Cheeking device, particularly for the hanging roof in mines, und

Details Cheeking device, particularly for the hanging roof in mines, und Cheeking device, particularly for the hanging roof in mines, und

1988-08-05

1989-10-03

Massie, IV

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Percussive-type cutter

125 43, 173 90, 299 94, E21C 304

Patent

active

048712140

ABSTRACT:
The present invention is a device for removing boulders loosened by an explosion, from the hanging roof of a mining gallery. The device is a pole which supports a pneumatic hammer and a striking head at one end thereof and a gripping handle at its opposite end. The handle has a trigger mechanism for remote control of the pneumatic hammer. The inner section of the striking head is a formation of hollow, honeycombed cells, for reducing the weight of the striking head.

REFERENCES:
patent: 2004083 (1935-06-01), Scott
patent: 3036482 (1962-05-01), Kemworthy et al.
patent: 3857448 (1974-12-01), Lines

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