Streamlining bit assemblies for road milling, mining and...

Details Streamlining bit assemblies for road milling, mining and... Streamlining bit assemblies for road milling, mining and...

2006-08-29

2006-08-29

Singh, Sunil (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Clamped tooth holder or tooth mount

Reexamination Certificate

active

07097258

ABSTRACT:
An improved bit assembly for road milling, mining, and trenching equipment includes a streamlined tip assembly that is a combination of conical and cylindrical in shape and devoid of protrusions or annular indentations that might impede the flow of removed material over and around the bit assembly or provide space for removed material to become clogged or imbedded on the tip assembly. The assembly further includes a generally cylindrical spacer that allows a bit removal tool access to the bottom of the assembly to aid in bit removal.

REFERENCES:
patent: 4337980 (1982-07-01), Krekeler
patent: 4915455 (1990-04-01), O'Neill
patent: 5374111 (1994-12-01), Den Besten
patent: 6623084 (2003-09-01), Wasyleczko

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