Trigger

part · 500 BC · Ancient world

A lever mechanism that releases stored energy.

Principles and materials it uses

Lever — uses. A lever mechanism.
Bronze — is made of. Crossbow trigger mechanisms were bronze.

Where it is used

Crossbow — is part of. A trigger.
Musket — is part of. A trigger.
Revolver — is part of. Pulling the trigger turns the cylinder and drops the hammer.
Rifle — is part of. The trigger releases the firing pin and the rifle fires.

Take Trigger apart