Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Reexamination Certificate
2006-10-12
2008-03-25
Kreck, John (Department: 3673)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter attached to endless chain or cable
Reexamination Certificate
active
07347501
ABSTRACT:
A baseplate plow with a multipart baseplate including a middle baseplate part connected to a plow body and two outer baseplate parts connected movably to the middle baseplate part. Guide blocks at a packing-side end of each baseplate part guide the baseplate in chain guide channels. Two chain blocks for connecting the plow pull chain are formed on a push member which is inserted into a recess at the packing-side end of the middle baseplate part, the recess being delimited in each of two running directions of the baseplate plow by a block part including a guide block and a stop surface for the push member.
REFERENCES:
patent: 2823908 (1958-02-01), Rosler
patent: 4159849 (1979-07-01), Rehbein
patent: 4583785 (1986-04-01), Breuer et al.
patent: 31 06 548 (1982-09-01), None
Bettermann Diedrich
Duhnke Klaus
Hesse Norbert
Klabisch Adam
Siepenkort Gerhard
Baker & McKenzie LLP
DBT GmbH
Kreck John
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