An Electricity-Free, Spring-Loaded Bike Hoist

"My garage is basically a workshop decorated with backpacks, kayaks, golf clubs, skis and, of course, bicycles," writes engineer Robert G. Ozarski. An avid cyclist, Ozarski found the clutter was getting in the way of his hobby. To make his bike more easily accessible, he invented this easy-to-use bike hoist. Ozarski's Kradl object requires no power. It attaches to a ceiling joist with two screws (and can be mounted on an angle, up to 45 degrees, if your ceiling is sloped). It contains a...