Patent for a Cherry MX switch

Cooper Chynoweth

Standard parts of a mechanical keyboard:

How a mechanical keyboard works:

  1. User presses down the switch stem
  2. Stem moves down, allowing two electrical contacts to touch
  3. Signal is sent through the PCB to the computer, registering a keypress
  4. When released, the spring pushes the stem back up into place, thus reopening the circuit

An assortment of switches

Switch type Switch name Travel distance Actuation force Bottom out force
Linear Cherry MX Red 4mm 45g 75g
Akko CS Starfish 4mm 50g 60g
Tactile Cherry MX Brown 4mm 55g 60g
Hako Royal Clear 3.6mm 50g 85g
Clicky Cherry MX Blue 4mm 60g 60g
Kailh BOX Jade 3.6mm 50g 65g