Mining planer with pivotal tool holder

Details Mining planer with pivotal tool holder Mining planer with pivotal tool holder

1981-03-20

1983-10-04

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

E21C 2735

Patent

active

044075464

ABSTRACT:
A planer assembly is disclosed for winning minerals from a mineral face comprising, a planer guide member, at least two planers slidably engaged on the guide member for movement in a travel direction along the face, a hinge interconnecting the two planers for transferring rotational moment applied to the planers and a planer tool holder mounted on each planer which carries a tool. The planer tool holder is positionable at an angle to make a cut of a selected depth with the depth increasing from planer to planer in a direction opposite the travel direction.

REFERENCES:
patent: 3361479 (1968-01-01), Lobbe
patent: 3494668 (1970-02-01), Grebe
patent: 4035025 (1977-07-01), Hermann et al.

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