mechanical device
Gear-driven contraption
A mechanical device is any apparatus that uses moving parts to perform a task—gears, levers, pulleys, springs, or similar components working together.
The term distinguishes such machines from electronic or digital ones: a simple mechanical device for cracking nuts, The clock is a purely mechanical device with no battery.
Mechanical devices range from bottle openers to combustion engines.
- leverPivoting bar for lifting
- pulleyGrooved wheel for rope
- springRecoiling metal spiral
- printing pressMechanical text reproduction device
- wheelRotating circular frame
cam · ball bearing · gear · gear train · piston · prosthetic limb · rotor · wheel and axle · clockwork · linkage · escapement · Swiss watch · cuckoo clock · wind-up toy · automaton · Rube Goldberg · inclined plane · turbine
mechanical deviceelectronic device
Circuit-powered apparatus
manual tool · hand tool · bare hands · microprocessor · manual labor
mechanical devicenatural system
Self-organizing environmental order
biological system · natural phenomenon · human body · natural process · animal
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