Pneumatic coupler for an agricultural seeding machine
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United States of America Patent
Stats
-
Apr 27, 2004
Grant Date -
Oct 2, 2003
app pub date -
Mar 26, 2002
filing date -
Mar 26, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic coupler for an agricultural seeding machine comprises a hollow tube having an inner portion and an outer portion that are separated by a radially extending flange. The radially extending flange has an inner surface adjoining the inner portion and an outer surface adjoining the outer surface. A flexible and resilient gasket is fitted over the inner portion and adjoins the inner surface of the radially extending flange. The inner portion is further provided with radially extending catches that are located on resilient axially extending tongues formed in the inner portion. When mounted to receiving apertures the catches contact the interior side of the receiving aperture and the flexible and resilient gasket forms an air seal between the exterior surface of the receiving aperture and the inner surface of the radially extending flange.
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