Mixing drum hatch
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United States of America Patent
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Oct 16, 2012
Grant Date -
Mar 10, 2011
app pub date -
Aug 15, 2003
filing date -
Aug 15, 2003
priority date (Note) -
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Abstract
A rotary concrete mixing drum (16) for a vehicle (10) having a drivetrain (18) for rotating the drum (16) includes a wall (33) having an opening (67) and a hatch cover assembly (37/200) removably closing the opening. The hatch assembly (200) may include a hatch cover (202) coupled to a panel (204) by bolts (212).
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