Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1986-04-27
1987-08-18
Reese, Randolph A.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
73159, 73849, 209603, 209900, 271262, B07C 116
Patent
active
046871063
ABSTRACT:
A device for detecting postal articles unsuited for mechanical handling is equipped with a bed of belts formed by a large number of side-by-side resilient belts (2) assembled with predetermined tension around two pulleys (3,4), which can turn freely around shafts fixedly mounted on a base plate. A conveyor belt passes over a guiding roller (6) opposite the bed of belts. The conveyor direction of motion is deflected around the roller and the bed of belts is taken along by the conveyor belt (1) by means of friction. An article on the conveyor approaching the guiding roller while moving between the conveyor and the bed of belts is subjected to a bending force when passing the guiding roller. The belts of the bed of belts here work as scanning elements. Deflection of one or more of them from the normal path, away from the guiding roller (6), can be detected by a combination (11) of an infrared radiator and a detector. The position of this single radiator/detector combination (11) can be adjusted (17) in such a way that postal articles which are too thick, too rigid or too heavy, can be selected for diversion by a deflection of belt (2) detected by the radiator/detector combination (11).
REFERENCES:
patent: 4030607 (1977-06-01), Suda et al.
patent: 4121716 (1978-10-01), Luperti et al.
patent: 4378109 (1983-03-01), Takahashi et al.
Hajec Donald T.
Reese Randolph A.
Staat der Nederlanden (Staatsbedrijf der Posterijen, Telegrafie
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