Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate
2008-07-08
2008-07-08
Addie, Raymond W (Department: 3671)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
C404S072000, C404S090000, C404S094000, C299S029000
Reexamination Certificate
active
07396085
ABSTRACT:
An apparatus for degrading a paved surface includes two or more pavement degradation tools, each rotating about an axis. The pavement degradation tools are adapted to degrade a paved surface substantially normal to their axes of rotation. A linking mechanism links the rotation of the pavement degradation tools such that rotation of one causes the rotation of the other. In selected embodiments, this linking mechanism includes gears operably connected to the pavement degradation tools that rotate with the pavement degradation tool about their axes of rotation. These gears directly engage one another causing the gears, and their corresponding pavement degradation tools, to rotate in opposite directions.
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Fox Joe
Hall David R.
Addie Raymond W
Nelson Daniel P
Wilde Tyson J.
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