Device for use in varying the effective cross-sectional area of

Details Device for use in varying the effective cross-sectional area of Device for use in varying the effective cross-sectional area of

1991-05-14

1992-08-04

Olszewski, Robert P.

Article dispensing

With dispensing-type outlet

Adjustable size

221241, A47F 104

Patent

active

051351366

ABSTRACT:
A device for use in varying the effective cross-sectional area of an outlet opening of a dispensing unit for nested containers, e.g. paper cups, comprises at least two shutter members, pivotally mounted on equispaced pivots of a support means at the outlet end portion of the unit to define the outlet opening. The members are mounted for movement to vary the size of the opening; an adjustment device is mounted for rotation in operative connection with the shutter members whereby to move the members to adjust the size of the outlet opening. Adjustment of the area of the opening is readily accomplished so that the unit can be adjusted to accommodate cups of different dimensions.

REFERENCES:
patent: 2063576 (1936-12-01), Bares
patent: 2315827 (1943-04-01), Tansley
patent: 3163323 (1964-12-01), Behrens
patent: 4804108 (1989-02-01), Ficken
patent: 4854479 (1989-08-01), Callahan et al.

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