US PATENT SUBCLASS 37 / 349
.~ With crumber
Current as of: June, 1999
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DEFINITION
Classification: 37/349
With crumber:
(under subclass 347) Apparatus combined with a blade or a shoe adapted to follow an endless conveyor for the purpose of dressing or removing irregularities from the bottom of the trench.
(1) Note. The function of the crumbing blade or crumber is to catch loose earth which may be removed or dropped by the excavator and to collect, carry, gather, and push forward such loose earth so that it may be taken up by the excavator at the lowest point of travel. [figure] [caption]A - Vehicle; B - Digger assembly; C - Crumber; D - Trench; E - Boom
