Sewing – Work manipulating – Rufflers and gatherers
Patent
1977-04-22
1978-03-21
Schroeder, Werner H.
Sewing
Work manipulating
Rufflers and gatherers
112144, 112155, 223 30, D05B 3508
Patent
active
040796825
ABSTRACT:
An apparatus for forming triple type of tucks in a curtain cloth is disclosed. The apparatus comprises on a base frame a first sewing machine with a first presser, a second sewing machine with a second presser, a movable base plate arranged for movement in the transverse direction of the cloth, and a stationary base plate arranged adjacent the second sewing machine. Further, a pair of upper and lower keep plates, a pair of upper and lower expansion spatulas, and a width setting spatula are mounted on the movable base plate for movement in the lengthwise direction of the cloth, and extend therefrom over a face plate. A double tucking plate with two sheet metals extends from the stationary base plate over the face plate.
A portion of the cloth to be tucked is applied with its center line to an edge of the width setting spatula and the cloth is folded back with its upper and lower portions around the spatula and then passed outside the upper and lower expansion spatulas and between the upper and lower keep plates. While the upper and lower pressers with the cloth held there-between are moved transversely of the cloth, the cloth is stitched by the first sewing machine.
Then, the width setting spatula and the upper and lower expansion spatulas are moved with the cloth held thereon lengthwise of the cloth toward the second sewing machine to insert the width setting spatula between the two sheet metals of the double tucking plate and arrange the upper expansion spatula and the lower expansion spatula over the upper sheet metal and under the lower sheet metal of the double tucking plate, respectively, so that triple type of tucks are formed in the cloth. These tucked portions are stitched by the second sewing machine.
REFERENCES:
patent: 411917 (1889-10-01), Faulkner
patent: 3802361 (1974-04-01), Block
patent: 3805718 (1974-04-01), Levinstein
patent: 3824964 (1974-07-01), Ryan
C. Kondo & Co., Ltd.
Nerbun Peter
Schroeder Werner H.
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