Mixing drum drive ring
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United States of America Patent
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-
Jun 29, 2010
Grant Date -
Jul 12, 2007
app pub date -
Aug 15, 2003
filing date -
Aug 15, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A composite, heavy duty rotary concrete mixing drum (16) for coupling to a vehicle having a drivetrain (18) for rotating the drum (16) comprises a wall and a drive ring. The wall defines a first end of the drum and a second end of the drum. The drive ring (39) is coupled to the first end of the drum and includes a hub (108, 252) and a plurality of extensions (110, 254). The hub is operatively coupled to the drivetrain. The plurality of extensions (110, 254) extend outwardly from the hub (108, 252) into the wall of the drum. At least one of the extensions includes an aperture (121, 126) extending therethrough. Rotation of the hub by the second drivetrain causes rotation of the drum.
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