Positive pressure lint barrier and oil cooler for a sewing machi

Sewing – Elements – Waste extraction

Patent

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Details

112256, 112280, 165122, 184 615, D05B 7100, F28F 100

Patent

active

054543380

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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patent: 4699208 (1987-10-01), Wolf et al.
patent: 4709645 (1987-12-01), Jones et al.

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