Sheet-material associating – Associating and folding – Zigzag package
Patent
1974-01-24
1976-03-02
Eickholt, E. H.
Sheet-material associating
Associating and folding
Zigzag package
B65H 2946
Patent
active
039413667
ABSTRACT:
A carriage assembly for automatic face up one way spreading of multiple plys of fabric or any other web-like material of a predetermined length, which is automated to operate in a continuous manner in the absence of operator manipulation at the termination of each fabric spreading cycle. The device incorporates a fabric or web-cutting assembly normally enclosing a transversely traveling severing blade and means for automatically engaging the free end of the fabric after sequenced severing so as to maintain the fabric in a fixed relation relative to the assembly during return or non-spreading carriage motion thereby preventing disturbance or change of position of the free end of the fabric as caused by carriage motion airflow, so that upon automatic recommencement of spreading, the end of the fabric will be deposited at a predetermined position on the spreading surface which will be accurately repeated for each subsequent automatically deposited ply of fabric, thereby providing maximum fabric utilization. Means is also provided for automatic locking or breaking of the fabric positive feed roller during carriage non-spreading return travel in such fashion that upon subsequent automatic recommencement of fabric spreading, the feed roller drive is engaged prior to complete feed roller unlocking so that fabric tension existing between the feed roller and supply spool is prevented from causing displacement of the free end of the fabric, thereby further insuring position accuracy of successive plys. Provisions are also made for preventing the severed edge of the fabric from catching within the confines of the cutting assembly.
REFERENCES:
patent: 1809213 (1931-06-01), Oesman
patent: 3233488 (1966-02-01), Deichmann
patent: 3503604 (1970-03-01), Martin
Cutting Room Appliances Corporation
Eickholt E. H.
Heinz A.
Temko Charles E.
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