Patent ID: 8033817

Claim:
A multi-rod mechanism comprising: at least one ternary link; and first, second and third binary links, with the at least one ternary link and the first, second and third binary links connected between a first fixing pivot point and a second fixing pivot point, with a first combination comprising the at least one ternary link pivotally connected to the first binary link, with the first binary link pivotally connected to the first fixing pivot point, with the at least one ternary link providing a first movable pivot point arranged at a first slidable mold, with a second combination comprising the second binary link and providing a second movable pivot point arranged at a second slidable mold and located between the first fixing pivot point and the second fixing pivot point, with the third binary link pivotally connected to the second combination and to the at least one ternary link; wherein the at least one ternary link and the first, second and third binary links synchronously move the first movable pivot point and the second movable pivot point toward or away from each other in opposite directions.