US PATENT SUBCLASS 291 / 9
.~.~ Horizontal trap axis
Current as of:
June, 1999
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291 /
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TRACK SANDERS
3
DF
FLUID DELIVERY
{7}
7
DF
.~ Gravity conversion {3}
9
.~.~ Horizontal trap axis
DEFINITION
Classification: 291/9
The sand-trap is located either in the side walls or below the floor of the sand-dome and is swung in a vertical plane to clear the opening to the discharge-pipe for gravity feed.