Articulated support

Details Articulated support Articulated support

1974-11-26

1976-12-28

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

173 38, 173 43, 299 69, E21C 2712

Patent

active

039998053

ABSTRACT:
According to the present invention, an articulated support arrangement for carrying a tool comprises a support member, a turret pivotally attached thereto, means to rotate the turret with respect to the support member, link means pivotally connected between one part of the turret and one part of a boom, at least one ram pivotally connected between another part of the turret and another part of the boom, means to rotate the link means about the pivotal connection thereof at the turret, the boom comprising a rear portion having a part capable of rotation about the longitudinal axis of the boom, means to effect such rotation, and a front portion attached at one end to that part and at the other end pivotally attachable to a tool or mounting thereof, with a ram pivotally attached at one end to the front portion of the boom and the other end being operable on the tool.

REFERENCES:
patent: 2771273 (1956-11-01), Pond
patent: 2820611 (1958-01-01), Fuehrer
patent: 3374915 (1968-03-01), Bronder
patent: 3470969 (1969-10-01), Arcangelli
patent: 3711047 (1973-01-01), O'Leary
patent: 3724559 (1973-04-01), Stromnes
patent: 3754790 (1973-08-01), Mappin et al.
patent: 3809169 (1974-05-01), Hunt
patent: 3860290 (1975-01-01), Mappin

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