Unfortunately, long-throw linear actuators are a little harder ... and as the video below shows, the completed actuator can lift 300 grams. We like [Roger]’s build process, especially the ...

The device, trademarked as the Kataka but generically referred to as a Segmented Spindle, is a compact form of linear actuator that ... it seems the mechanism never took off or saw mainstream ...

Both rotary and linear motion of the sample can be obtained through a single actuator with stroke ... is needed to activate an end-effector mechanism. The entire sampling-handling system offers linear ...