Bit block with shroud protector

Details Bit block with shroud protector Bit block with shroud protector

2007-10-09

2007-10-09

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Rolling or rotatable-type bit mount

Reexamination Certificate

active

11248371

ABSTRACT:
A bit block for use in excavation and mining. The bit block is adapted to receive a bit and to be welded to equipment utilized for boring, drilling, trenching and mining. The bit block is designed to secure and protect the bit while it is penetrating rock and hardened earth material. The bit block defines a shroud adapted to receive and protect the distal end of the bit. The bit block defines an enlarged welding surface to enhance the integrity of the weld. The bit block defines a plow on its leading end to assist in removing excavated material.

REFERENCES:
patent: 3544166 (1970-12-01), Proctor
patent: 3833264 (1974-09-01), Elders
patent: 4208816 (1980-06-01), West
patent: 4844550 (1989-07-01), Beebe
patent: 6712431 (2004-03-01), Bosch et al.
patent: 2002/0074851 (2002-06-01), Montgomery, Jr.
patent: 2004/0051369 (2004-03-01), Luciano
Kennametal, “Chain and Wheel Trenching Tools,” Copyright 2001 by Kennametal, Inc,. Latrobe, PA 15650.

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