Material or article handling – Chamber of a type utilized for a heating function and... – Including driven device and/or inclined flow path to carry...
Patent
1989-08-03
1991-12-10
Bucci, David A.
Material or article handling
Chamber of a type utilized for a heating function and...
Including driven device and/or inclined flow path to carry...
19880313, 34208, B65G 1700
Patent
active
050713051
ABSTRACT:
An arrangement for transporting printed circuit boards along a path through a dryer operative for drying wet ink applied to at least one of the surfaces of each board, includes an endless conveyor for successively conveying the boards along a vertical ascent portion of the path, a horizontal portion of the path, and a vertical descent portion of the path. A plurality of supports for holding respective boards are mounted for joint movement on, and are successively arranged along, the conveyor. Each support includes a plurality of arms which only engage side edges of a respective board to prevent smearing of the ink during conveyance, and particularly between the ascent and horizontal path portions, as well as between the horizontal and descent path portions.
REFERENCES:
patent: 1810859 (1931-06-01), Thurmer
patent: 2237659 (1941-04-01), Edwards
patent: 2316177 (1943-04-01), Melzer
patent: 2644473 (1953-07-01), Fox et al.
patent: 2706552 (1955-04-01), Key
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