Patent ID: 7258223

Claim:
A conveyor comprising: a frame supporting a track extending along a closed loop path lying in a horizontal plane, said track having both inside and outside turns; a series of pallets supported and guided on said track to be able to roll along said track; a link drive chain extending in a closed loop along said track path, said drive chain passing around a sprocket at each end of said path to change direction, said drive chain being powered by one of said sprockets to be recirculated along said track path; said track path including at least one intermediate outside turn and an inside turn located across from each other along said track path; each of said pallets drivingly connected to said drive chain by a swing bar pivotally connected at one end to a portion of said pallet, and pivotally connected at an opposite end to said drive chain; whereby said pallets are thereby advanced along said track path and able to accommodate a changing orientation of each of said pallets in negotiating said inside and outside turns along said track path.