An overcenter load binder to be connected to and tighten toward one another two chains or the like, and including two tension elements connectable to the chains respectively, and an actuating lever pivoted to the tension elements at different locations to attain an overcenter tightening action, with...http://www.google.se/patents/US3954252?utm_source=gb-gplus-sharePatent US3954252 - Overcenter load binder
