Aisin Seiki Kabushiki Kaisha

Shiro Nonaka

Seiichiro Hagino

Tsukasa Ando

An upper thread holding device for use in a sewing machine having a body and a needle from which an upper thread depends, the device includes a holding member pivoted to the body and movable between a waiting position and an upper thread holding position in such a manner that the holding member passes an upper thread taken-off position located between the needle and the waiting position, a driving device for moving the holding member, a stationary blade connected to the body so as to be in sliding engagement with a lower surface of the holding member and designed for cutting the upper thread in cooperation with the holding member in its return movement at the waiting position, and a press plate fixed to the stationary blade and defining a space therebetween in which the holding member is accommodated in its waiting position for holding between the press plate and the holding member.

Upper thread holding device of sewing machine

A detecting device of the feeding quantity of material in a sewing machine includes a dial rotatably mounted on an arm of the sewing machine, a mechanism operatively connected to the dial for varying the feeding quantity in response to the rotational quantity of the dial, a signal generator converting the rotational quantity into the electric signals, and a display device electrically connected to the signal generator for displaying signals outputted therefrom.

Growing community of inventors

Kariya, Japan

Shiro Nonaka