SM Shuttle Driver Spring

Description

• This sewing machine shuttle driver spring is a small but essential part of the shuttle mechanism, which is responsible for forming stitches by looping the upper thread around the bobbin thread.

• The shuttle driver spring applies tension or pressure to keep the shuttle driver (the part that moves the shuttle or hook) properly aligned and moving smoothly.

• It ensures consistent contact and timing between the needle and the bobbin mechanism.

• In some machines, it absorbs vibration and helps prevent jamming or skipped stitches.