Aisin Seiki Kabushiki Kaisha

Akimitsu Kamatsuka

Seiichiro Hagino

Yutaka Katou

Hisaharu Goto

Yasunori Kawai

Mikio Furuichi

Shinji Nishiyama

Toshiyuki Nakai

Suehiko Murata

Tatsuya Suzuki

Atsuo Yamaoka

A low cost and easy-to-use sewing machine is provided which is capable of performing free motion sewing. The sewing machine includes a needle bar to which a needle can be mounted, a needle bar vertical moving mechanism, a needle bar swing mechanism causing the needle bar to swing in a lateral direction relative to a longitudinal direction along which a feed dog operates for straight stitch, and a control portion for adjusting a swing amount of the needle bar which is brought into swing movement in the lateral direction by the needle bar swing mechanism.

Sewing machine

A sewing machine includes a plurality of bobbins, thread guiding device, thread selecting device, a needle having an eye, a thread take-up lever having a thread receiving hole, thread taking-out device, movable thread hooking device, and thread letting-through device. The thread guiding device delivers a plurality of threads from the bobbins. The thread selecting device selects one of the threads. The thread taking-out device brings the selected thread adjacent to the eye of the thread. Simultaneously with the thread taking-out action of the thread taking-out device, the movable thread hooking device and the thread letting-through device co-operatively let the selected thread, being disposed between the thread take-up lever and the needle, pass through the thread receiving hole of the thread take-up lever via an opening of the thread receiving hole, and let the leading end of the selected thread pass through the eye of the needle.

Growing community of inventors

Kariya, Japan

Akimitsu Kamatsuka