US 5,472,184 AGranted

Apparatus for the storage and extraction of blanks

AssigneeFocke & Co. (GmbH & Co.)

InventorsHeinz Focke, Henry Buse

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Abstract

1. Apparatus for the storage and extraction of blanks (10) consisting of thin cardboard from a blank magazine (12). 2.1. An extraction unit (16) having a sun wheel (17) and planet wheels (18, 19) rotating about the latter serves for the continuous extraction of blanks (10) consisting of thin cardboard from a blank magazine (12). Each planet wheel (18, 19) rotating about its own axis extracts a lower blank (10) of a blank stack (11) in the blank magazine (12) and transfers this onto the sun wheel (17). The blank is transferred from the latter, in conjunction with a transport disc (51, 52), into a blank track (14). 2.2. The sun wheel (17) and the planet wheels (18, 19) grasp the blanks (10) solely in a middle region, namely in the region of a blank middle strip (46), with the exclusion of lateral folding tabs (39, 40; 41, 42).

Claims14

Dependent claims

In an apparatus for storage of a stock of blanks, consisting of thin cardboard, for hinge-lid packs and for the extraction of individual blanks (10), wherein a blank stack (11) is received in a blank magazine (12), having a lower extraction orifice (13) and a plurality of downwardly converging lateral conveying members, in such a way that lower blanks (10) of the blank stack (11 ) are supplied in a concavely curved position and are extracted by an extraction unit (16) having a plurality of rotatable planet wheels (18, 19) and a sun wheel (17) cooperating with the planet wheels (18, 19), and wherein said lower blanks (10) are transported away by the sun wheel (17), the improvement wherein:

said planet wheels ( 18, 19) have circumferential surfaces which respectively grasp a blank (10) only in a region of a middle strip (46) of the blank between lateral folding tabs (39, 40;
41, 42) thereof;
also in a region of said sun wheel (17), only said blank middle strip (46) of each of the blanks (10) bears on a circumference of said sun wheel (17);
and
said apparatus further comprises a rotating discharge-conveyor member, for transporting away the blanks, including two transport discs (51, 52) that are arranged at an axial distance from one another and bear on said circumference of said sun wheel (17) to convey away a blank (10).

2 more elements

In an apparatus for storage of a stock of blanks, consisting of thin cardboard, for hinge-lid packs and for the extraction of individual blanks (10), wherein a blank stack (11) is received in a blank magazine (12), having a lower extraction orifice (13) and a plurality of downwardly converging lateral conveying members, in such a way that lower blanks (10) of the blank stack (11) are supplied in a concavely curved position and are extracted by an extraction unit (16) having a plurality of rotatable planet wheels (18, 19) and a sun wheel (17) cooperating with the planet wheels (18, 19), and wherein said lower blanks (10) are transported away by the sun wheel (17), the improvement wherein:

said planet wheels (18, 19) have a plurality of holding portions (48), distributed in a circumferential direction, for grasping and holding a blank (10) only in a region of a middle strip (46) of the blank;
and
between said holding portions (48) are formed radial depressions (47) which, during a rotational and circling movement, function, as a result of relative positions of said planet wheels (18, 19), to receive lower ends of supporting bands (22, 23) and supporting members (30, 31) of the blank magazine (12).

Dependencies are inferred from the claim text.