Mining planer with pivotal tool holder
Patent
·
OSTI ID:5433602
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.
- Assignee:
- Halbach and Braun (Germany, Federal Republic Of)
- Patent Number(s):
- US 4407546
- OSTI ID:
- 5433602
- Country of Publication:
- United States
- Language:
- English
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