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Title:
DEEP HEMSTITCH SEWING MACHINE WITH AUTOMATIC HEM TURN AND AUTOMATIC HEMSTITCH MARGIN CONTROLLER
Document Type and Number:
Japanese Patent JPH0386190
Kind Code:
A
Abstract:

PURPOSE: To easily execute efficient deep hemstitch sewing with high quality by turning a hem edge by the flow pressure of gas blown out from a gas blow out port, simultaneously, pressing cloth by a rectifying board, guiding the cloth to the guide surface of a hem turn width adjustment guide scale and determining a hemstitching margin.

CONSTITUTION: The hem is turned while guiding a material (h) to a guide blade 4 of a hemstitch margin adjustment scale 6 by the flow pressure of gas blown out from gas blow out ports (c), (d) and (e) of a hem turn presser 1. Simultaneously, the material (h) is exactly positioned to objective width while automatically correcting the material to a guide surface 12 of a turn width adjustment guide scale 5 in a state that the material is adhered to a hemstitch margin guide surface 14 by the gas pressure rectified by a rectifying board 11. The determined hemstitch margin is guided to a needle plate by the hem turn width adjustment guide scale 5 and a hemstitch line guide scale 2.


Inventors:
WATANABE TADASHI
Application Number:
JP22618789A
Publication Date:
April 11, 1991
Filing Date:
August 31, 1989
Export Citation:
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Assignee:
APARERU MACH KK
International Classes:
D05B1/24; D05B9/00; D05B35/02; D05B69/00; (IPC1-7): D05B1/24; D05B9/00; D05B35/02; D05B69/00
Domestic Patent References:
JPS58165889A1983-09-30



 
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