Apparatus for aligning a stack of sheets

Details Apparatus for aligning a stack of sheets Apparatus for aligning a stack of sheets

1977-06-29

1979-01-02

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

34151, 214 6S, 271211, B65H 3140

Patent

active

041324005

ABSTRACT:
Air forced through holes in a horizontally disposed platform is used to support a disoriented stack of rectangular sheets on a thin layer of air. The platform supports L-shaped manifolds disposed to be located about a supported stack of sheets. Each of the manifolds includes a chamber coupled to a fluid source and nozzle arrays communicating with the chambers to provide jets of air directed so as to impinge the edges of a stack of sheets pneumatically supported by the platform. The nozzles of each array are pyramidically disposed to provide an inverse relationship between jets impinging on a sheet of a stack and its distance above the platform. The jets provide air lubrication between adjacent sheets of the stack. Two of the manifolds are translatable and may be moved against the stack to tamp and align the air lubricated sheets thereof.

REFERENCES:
patent: RE16779 (1927-11-01), Maxner
patent: 1743921 (1930-01-01), Kerley
patent: 3563360 (1971-02-01), Wickersheim
patent: 3737051 (1973-06-01), Horino

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