Part of Boyd Education
Levers & Mechanisms in a Sewing Machine
Examples of types of levers and mechanisms in a sewing machine
These short videos give examples of levers and mechanisms used in a sewing machine. Our PowerPoint resource 'Levers & Mechanisms in a Sewing Machine' gives more detailed information on each of the videos, along with activities that might be used to introduce levers and mechanisms using a textiles focus.
Our #ThinkDoMAKE activities 003 and 004 also include learning on levers and mechanisms (including activities). A free resource is also available which focuses on levers and mechanisms in a more general context.
Types of motion
Circular motion (balance wheel)
Linear & reciprocating motion
(fabric moving & needle moving up & down)
Oscillating motion (race area that holds the bobbin case)
Levers & mechanisms
1st class lever (presser foot lever)
Bell crank (part of a series of linkages that moves
the needle up & down)
Rack & pinion (stitch selector)
Belt & pulleys
Simple gear train (part of stitch selector)
Cams & follwers (changing the stitch)