Indexed worm conveyor

Details Indexed worm conveyor Indexed worm conveyor

1997-06-16

1999-07-27

Gibson, Randy W.

Weighing scales

Weigher responsive material control

Feed

177121, 177145, 141 83, G01G 1302, G01G 1304, G01G 1900, B65B 130

Patent

active

059293870

ABSTRACT:
A mechanism for weighing articles including a continuous thread screw conveyor for moving articles to be weighed across a weigh pan in combination with a motor for first driving the conveyor in an article transport direction through an angle of 360.degree.+.alpha..degree. and then driving the conveyor in a reverse direction through an angle of .alpha..degree. to remove the conveyor from frictional engagement with the article, during each article weighing operation.

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patent: 5236337 (1993-08-01), Kikuchi et al.
patent: 5434366 (1995-07-01), Troisi
patent: 5740843 (1998-04-01), Burkart

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