Importance

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Abstract

An endless path conveyor of the type used for luggage handling, having crescent shaped pallets connected one to the next through pivotal connecting pins by offset link arms. The pivotal connecting pins have a cam follower which engages a helical groove in a drive screw located beneath the conveying surface. The cam follower is maintained in secure contact with the driving groove of the helical screw by limiting cam rollers, eliminating sideways movements of the pallets during engagement or disengagement of the cam follower with the helical screw drive. The driving groove has enlarged portions at either end to eliminate bumping motion of the conveyor links. The axis of the conveyor and of the links are offset from one another to minimize the gap formed when travelling through curved sections, allowing the maximum amount of conveying surface possible. Bearing and guide means are provided for a smoother, quiet drive, and to prevent tilting or inward collapse of the pallet links under heavy load.

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First Claim