Apparatus for sorting metal bars by length

Details Apparatus for sorting metal bars by length Apparatus for sorting metal bars by length

1989-02-06

1990-04-24

Hajec, Donald T.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Sorting lumber, logs, pipes, rails, or like items

209521, 209695, B07C 514

Patent

active

049192736

ABSTRACT:
Apparatus for sorting metal bars by length, has a conveyor on which the bars are arranged longitudinally and conveys the bars both longitudinally and laterally. The conveyor has driven rollers contacted by the bars. A pick-up device picks up and conveys laterally, with respect to the conveyor, ends of bars having a predetermined length, thus preventing the longitudinal movement of such bars while bars not of the predetermined length are conveyed longitudinally at least partly past the pick-up device by the conveyor. To avoid increase capacity of the apparatus, and avoid wear, the rollers are obliquely positioned rollers whose axis of rotation is at a non-zero angle to the lateral direction of the conveyor, these rollers being, over at least part of their axial lengths, circular cylindrical in shape.

REFERENCES:
patent: 996386 (1911-06-01), Williams
patent: 2852136 (1958-09-01), Peck
patent: 2901106 (1959-08-01), Aitken
patent: 3368700 (1968-02-01), Tarrant
patent: 3557952 (1971-01-01), Heikinheimo
patent: 3923157 (1975-12-01), Cavenar

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