Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Reexamination Certificate
2008-01-01
2008-01-01
Singh, Sunil (Department: 3673)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter attached to endless chain or cable
C299S042000
Reexamination Certificate
active
07314253
ABSTRACT:
A coal plough for underground mining has a plough body that is guided along a plough guide. The plough body has at least one foot piece which receives a sliding skid. The sliding skid has at least one contact surface formed on its underside, which surface slides on a rail of the plough guide when the sliding skid is in its operating position. The sliding skid has first and second wear inlays on an underside which is arranged in the area of the highest load. The sliding skid can withstand high mechanical loads for a longer period of use.
REFERENCES:
patent: 4583785 (1986-04-01), Breuer et al.
patent: 6000117 (1999-12-01), Bain
patent: 19637226 (1998-03-01), None
patent: 2100600 (1997-12-01), None
Duhnke Klaus
Hesse Norbert
Klabisch Adam
Siepenkort Gerhard
Tillessen Uwe
DBT GmbH
Fay Sharpe LLP
Singh Sunil
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