Importance

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Abstract

A bi-directional ratchet conveyor is shown including a carrier bar slideably mounted centrally of a frame and operated by a power cylinder. The carrier bar has a first plurality of gravity dogs pivotally secured along a first side thereof, and a second plurality of gravity dogs secured along a second side thereof oriented in an opposite direction from the first plurality of gravity dogs. Dog operating rods are slideably secured to each side of the carrier bar for independently operating the first and second plurality of dogs between active and neutral positions. Each dog operating rod is operated by a separate pneumatic cylinder. When the first plurality of dogs are maintained in an active position, the second plurality of dogs are maintained in a neutral position, thereby providing for movement of goods in one direction along the conveyor through repeated extension and retraction of the power cylinder. Conversely, when the second plurality of dogs are maintained in an active position, and the first plurality of dogs are maintained in a neutral position, the products are moveable in the opposite direction along the conveyor.

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First Claim