Juki Corporation

Kanji Michioku

Masami Miyasako

Masao Sato

A sewing machine comprises a nonvolatile memory and it is possible to select two kinds of set modes including a normal mode and an initial set value changing mode when starting up the sewing machine . The initial set value changing mode is selected in regulation or maintenance after the assembly of the sewing machine In the initial set value changing mode, a set value for a sewing work stored in a ROM is exactly maintained or is properly changed, and is thus stored in the nonvolatile memory Consequently, the set value for the sewing work is optimized depending on the sewing machine which is mass-produced. The normal mode is selected in a normal sewing work. In the normal mode, the set value stored in the nonvolatile memory is properly changed depending on each sewing work and is thus stored in a RAM

Sewing machine having a means for setting a sewing working device to a predetermined optimum set value

An embroidery sewing machine is provided with an editing device for editorially combining or joining a plural number of embroidery component patterns into a composite or target embroidery pattern on a display window, which is larger than an embroidering frame for holding a work cloth, and a sewing device for sewing the thus edited composite embroidery pattern onto a work cloth set to the embroidering frame. The editing device has an enlarging function to edit the embroidery component patterns and to display a part of the composite embroidery pattern in an area larger than the display window in a manner that a preset point is set as a reference point on a display area of the display window and the reference point is horizontally and vertically moved. The sewing device has a continuing function to continue the sewing operation of the composite embroidery pattern that is edited in the area larger than that of the display window by use of the enlarging function of the editing device.

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Hiroshima, Japan

Kanji Michioku