A lift truck having horizontal arms straddling the kettle it is to lift, carry, and tilt. On the outer end of each arm is a tilting unit, one being a drive unit, and on the other an idler unit. These units grip the handles of the kettle. They are symmetrical, but otherwise identical. Each includes a...http://www.google.co.uk/patents/US6021707?utm_source=gb-gplus-sharePatent US6021707 - Safety means for tilting kettle