Small acme Screw jack has compact structure and is a basis jackup part, accomplish the functions such as lifting, drop,
push and inverting through worm gear drives screw.
Manual Screw Jack is made up of hand wheel or hand crank and a worm gear screw jack.
It is suitable for applications where
electricity or power generators is inconvenient or dangerous, light
weight, low duty cycle, low target cost and short travel length.