Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveying randomly faced items and turning items to...
Patent
1976-12-30
1978-09-05
Blunk, Evon C.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
By conveying randomly faced items and turning items to...
221158, B65G 4724
Patent
active
041112954
ABSTRACT:
A method of sorting articles having major and minor surfaces such that they normally assume a position presenting one major surface against a support surface and an opposed major surface spaced from said support surface wherein the articles are aligned on a support surface and advanced in a guided single file past a discriminating means which alters the path of advance of those articles having a first given orientation of its major surface relative to the guide means. The articles of the opposite major surface orientation relative to the guide means support surface are thus segregated. Both segregated groups of articles can be merged following their orientation to a like major surface relationship to a reference support surface.
A turntable imposes centrifugal forces on the articles to be sorted to pass them to a tangential guide chute in single file. A discriminating chute system consisting of two discrete chutes in a Y relationship to the tangential chute respectively receive articles of like orientation segregated by a discriminator which act upon a portion of one given major surface of the article to divert it to one of the discriminating chutes. In the case of articles having narrow and wide edges on respective surfaces the discriminator is a pair of fingers intersecting and engaging the major surfaces of each article at the branch of the Y chute system to provide pivots on the surface portion around which the articles turn. Two such discriminating fingers arranged to engage opposite major faces of the articles turn those which are face up into one branch chute and those which face down into the other branch chute. Both branch chutes can be directed to an article accumulator which maintains the articles in the orientation they are received and can be turned to deliver all oriented articles in the same orientation.
REFERENCES:
patent: 2379564 (1945-07-01), Cole
patent: 3265185 (1966-08-01), Weselik
patent: 3392816 (1968-07-01), Cox
patent: 3752294 (1973-08-01), Harmon
patent: 3759418 (1973-09-01), Wilson et al.
patent: 3782526 (1974-01-01), Simons
Blunk Evon C.
Click Myron E.
Owens--Illinois, Inc.
Steger Alan J.
Watts Douglas D.
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