Method of and apparatus for stacking channel bars

Details Method of and apparatus for stacking channel bars Method of and apparatus for stacking channel bars

1979-09-04

1981-07-14

Paperner, Leslie J.

Material or article handling

With weighing

198430, 198488, 414 56, 414 60, 414 74, 414786, B65G 57081, B65G 5718

Patent

active

042783771

ABSTRACT:
A succession of channel bars having widths that lie within a range below a predetermined maximum bar width is fed to a pickup station with the bars generally coplanar, parallel, and in edge contact. In the station a group of the bars is picked up by a pair of pivotal combs which are then pivoted about axes perpendicular to the group of bars to space the bars apart on centers that themselves are spaced apart substantially by the maximum bar width. Then the picked-up and arrayed bars are deposited in a stacking station substantially without changing the spacing between them. Another group of such bars which, however, numbers one less than the preceding group, is similarly picked up and arrayed at the maximum-width spacing, then is inverted and deposited between the previously deposited bars. These steps are repeated to form a neat stack.

REFERENCES:
patent: 2559460 (1951-07-01), Peterson
patent: 3452884 (1969-07-01), Tanqueray
patent: 3957163 (1976-05-01), Tanzler
patent: 4109801 (1978-08-01), Uchida et al.

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