Positive pressure lint barrier and oil cooler for a sewing machine
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Jul 14, 1994
filing date -
Jul 14, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lint barrier for a sewing machine which excludes lint from entering the interior of the sewing machine having a machine housing enclosing the internal workings of the machine. The sewing machine also includes an oil cooler adapted to cool oil circulating through the sewing machine, the cooler including a radiator and an air source for moving air through the radiator. A conduit connects the air source to the interior of the sewing machine, whereby air is conducted through the conduit and into the interior of the sewing machine to maintain a positive pressure within the sewing machine interior, thereby preventing the entry of lint into the sewing machine interior.
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