Showing posts with label geneva mechanism. Show all posts
Showing posts with label geneva mechanism. Show all posts

Saturday, 23 February 2013

Geneva drive in Lego Technic

The Geneva drive is a mechanical device that transform a smooth rotation into an intermittent rotary motion. Traditionally, this has had applications within watch making.

The Lego mechanism showcased here transfers one rotation of the drive axle into 1/4 rotation of the output axle. Here are the basic movements explained.

The driving axle (to the right) locks the output axle, due to the black half circle shape.