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    • 4. 发明专利
    • EMBROIDERY SEWING MACHINE
    • JP2006340959A
    • 2006-12-21
    • JP2005170730
    • 2005-06-10
    • JANOME SEWING MACHINE CO LTD
    • OMIYA KOUSHIROMORIMOTO SHUZO
    • D05B39/00D05C9/06
    • PROBLEM TO BE SOLVED: To provide an embroidery sewing machine capable of easily performing a turning operation in the embroidery sewing machine provided with a turnable Y direction moving mechanism. SOLUTION: For embroidery, a Y direction moving arm 1 is pulled out for roughly 90 degrees, an embroidery frame (not shown in the figure) is fixed to an embroidery frame attaching piece 19, and the embroidery is executed. For the Y direction moving arm 1, by the mechanism of a connection part 2, when a push-up lever 24 is pushed, a turning shaft 21 is pushed up, a fixing projection 22 and grooves 43 and 44 are disengaged, a projection base part 26 is pushed by a turning spring 5 simultaneously at the time, and a turning board 2 is turned for a prescribed amount. Thus, the turning operation of the arm 1 is easy. Also, since the fixing projection 22 is locked to the upper surface of an X carriage, it is not fitted to the grooves 43 and 44 again, the push-up lever 24 can be released when it is once pushed and turned, and operability is excellent. COPYRIGHT: (C)2007,JPO&INPIT
    • 6. 发明专利
    • SEWING MACHINE WITH BOBBIN THREAD REQUIREMENT OPERATING FUNCTION
    • JP2002248291A
    • 2002-09-03
    • JP2002009687
    • 2002-01-18
    • JANOME SEWING MACHINE CO LTD
    • SASANO AKIYOSHIMURAKAMI EIJI
    • D05B59/02
    • PROBLEM TO BE SOLVED: To provide a sewing machine with a bobbin thread requirement operating function capable of predicting the bobbin thread requirement necessary for sewing a pattern not only on the basis of the number of stitches but also under the considera tion of various conditions such as a thickness of a thread, and the thickness and stiffness of a sewing material. SOLUTION: This sewing machine providing patterned stitches with a needle thread and a bobbin thread, comprises a pattern data storing means for storing plural pattern data, a pattern selecting means for selecting a desired pattern from the storing means, a means for reading out the standard bobbin thread requirement corresponding to the pattern selected from the storing means, a means for detecting the actual consumption of the bobbin thread actually consumed in every formation of the pattern, a means for determining a bobbin thread consumption correction coefficient on the basis of the necessary bobbin thread requirement corresponding to the pattern and the actual bobbin thread consumption, and a means for correcting the standard necessary bobbin thread requirement corresponding to the pattern on a newly selected pattern element on the basis of the bobbin thread consumption correction coefficient, and whether a bobbin thread remaining amount in a bobbin will run short or not to the determined bobbin thread requirement is automatically determined.