The innovative ratchet mechanism developed by the team involves a geometrically symmetric star-shaped gear made of acrylonitrile butadiene styrene (ABS) resin, with six triangular teeth.

How to Make dc Motor Energy Power by Gear Mechanism ...

The direct connection between the steering wheel and the rack and pinion gear mechanism allows immediate and accurate transmission of the driver's steering inputs to the wheels. This results in a more ...

it probably says YKK on the pull), has announced a prototype self-propelled zipper with a built-in motor and gear mechanism it can use to zip itself up at the push of a button on a wired remote.

suggesting the Antikythera Mechanism may never have worked as intended, that it was just a fancy knickknack. The triangular shape of the gear teeth wasn’t the issue, according to new simulations ...