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U.S. Department of Energy
Office of Scientific and Technical Information

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