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US 6,149,149 AGranted
Cross stacker
AssigneeGammerler AG
InventorsHagen Gammerler, Peter Kunz
Life of this patent
Estimating the term…
Abstract
A cross stacker for paper products comprises a first reception element (16) on which the paper products to be stacked are collected and a further reception element (18). A rotation device (12, 14) is arranged beneath the reception elements. At least the further reception element (18) is formed so as to be vertically displaceable.
Claims13
A cross stacker for paper products comprising:
- a first reception element on which the paper products to be stacked are collected and which is vertically displaceable;
- at least one further reception element that is vertically displaceable;
- and
- a rotation device arranged beneath the reception elements;
- wherein the first and the further reception element each include two halves which can be moved apart horizontally from a closed state to an open state,
- the respective halves of the first and further reception elements having an opening therebetween of a predetermined size such that with one of the first and further reception element in the open state thereof the other of the first and further reception element can be moved in its closed state through the opening between the halves of the one reception element.
3 more elements
A method for cross stacking paper products comprising:
- forwarding a number of products of a product flow onto a first reception element;
- lowering the first reception element and making a further reception element available above the first reception element;
- closing and lowering the further reception element with additional products thereon;
- opening the first reception element and transferring a product stack which is collected thereon into a rotation apparatus;
- rotating the rotation apparatus and lifting the first reception element in an opened state;
- closing the first reception element and further lowering the further element;
- and
- opening the further reception element and transferring the product stack on the further reception element into the rotation apparatus.
5 more elements
A method for cross stacking paper products comprising:
- forwarding a number of products of a product flow onto a first reception element;
- lowering the first reception element;
- opening the first reception element and transferring a product stack to a further reception element lying below it;
- lowering the further reception element;
- lifting and closing the first reception element;
- opening the further reception element and transferring the product stack into a rotation apparatus;
- and
- rotating the rotation apparatus and closing and lifting the further reception element.
5 more elements
A method for the cross stacking of paper products comprising:
- forwarding a number of products of a product flow onto a first reception element;
- opening the first reception element and transferring a product stack to a further reception element lying below it;
- lowering the further reception element;
- closing the first reception element;
- opening the further reception element and transferring the product stack into a rotation apparatus;
- and
- rotating the rotation apparatus and closing and lifting the further reception element.
4 more elements
A system for cross stacking of signatures that provides high control over the signatures to maintain an orderly stacked configuration thereof during high speed signature transfer operations for formation of signature stacks, the cross-stacking system comprising:
- a first signature receiving mechanism having a plurality of first support members, the first signature receiving mechanism being vertically displaceable;
- a second signature receiving mechanism having a plurality of second support members that are aligned with the first support members, the first and second receiving mechanisms each having a closed state with the respective support members disposed to support signatures thereon and an open state with the respective support members disposed to allow the signatures thereon to fall therefrom such that with both first and second receiving mechanism in the closed state the receiving mechanisms cannot advance past each other due to interference between the aligned support members thereof;
- a rotation device for receiving signatures from at least the second signature receiving mechanisms when shifted from the closed to the open state thereof;
- a vertical displacement mechanism associated with the second signature receiving mechanism for shifting the second signature receiving mechanism between a raised, signature receiving position and a lowered, signature transferring position that minimize distances signatures fall onto the second receiving mechanism in the closed state thereof and from the second receiving mechanism to the rotation device in the open state thereof for maintaining control over the stack configuration.
1 more element
Dependencies are inferred from the claim text.