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1. 发明授权

US4419947A Electronic sewing machine 失效
标题翻译：电子缝纫机
公开(公告)号：US4419947A
公开(公告)日：1983-12-13
申请号：US294171
申请日：1981-08-19
申请人： Hachiro Makabe , Muneaki Hagiwara , Haruhiko Tanaka
发明人： Hachiro Makabe , Muneaki Hagiwara , Haruhiko Tanaka
IPC分类号： D05B3/02 , D05B19/02 , D05B21/00
CPC分类号： D05B19/02
摘要： A sewing machine has a rotatable shaft for operating a stitch forming device, and includes a feed dog for feeding fabric to be sewn, and a needle for forming stitches in the fabric. The machine comprises a first electronic memory for storing stitch control data and including at least the needle position control data for different patterns; pattern selecting element for reading the first memory stitch control data for a selected pattern; timing element operated synchronously with the shaft to produce a timing signal for progressively reading the stitch control data from the first memory; stitch mode changing switch element for determining an elongation rate of a selected pattern to be elongated in a fabric feeding direction; second memory element for temporarily storing designated stitch control data of the first memory element; counter element for counting the ordinals of the stitches of the selected pattern in relation to the timing signals and in accordance with the pattern elongation rate to thereby designate the pattern elongation rate and the stitch control data to be stored into the second memory element progressively during formation of the stitches of the pattern; and calculating element operable with respect to the counter element (CT1, CT2) to make a calculation to produce second stitches between the first stitches formed by the stitch control data.
摘要翻译：缝纫机具有用于操作线圈形成装置的可旋转轴，并且包括用于进行缝合的织物的进给爪和用于在织物中形成针迹的针。所述机器包括：第一电子存储器，用于存储针迹控制数据，并且至少包括用于不同图案的针位置控制数据; 图案选择元件，用于读取所选图案的第一存储器针脚控制数据; 定时元件与轴同步操作以产生用于逐渐从第一存储器读取针脚控制数据的定时信号; 用于确定所选择的图案在织物进给方向上伸长的伸长率的针迹模式改变开关元件; 第二存储元件，用于临时存储第一存储元件的指定的针脚控制数据; 计数器元件，用于相对于定时信号计数所选图案的针迹的序数，并且根据图案延伸率，从而在形成期间逐渐指定图案延伸率和要存储到第二存储元件中的针迹控制数据的图案的针迹; 以及相对于所述计数元件（CT1，CT2）可操作的计算元件，进行计算，以在由所述针迹控制数据形成的所述第一线圈之间产生第二线圈。

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