I wasn't allowed to post the pics of it lol. (Do you want to see the Zhi crank pictures? ) He didn't say anything about the patents. It's probably that the internal component set-up is modified to meet requirements to not infringe patents and anyway the lever is abit different aswell.
Either buy a new chain and shorten it so it is tight (as it will stretch as it wears in) or remove some of the links off your current chain. What chain is it?