Importance

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Abstract

A piece of chain for use in a metal-constructed chain is composed of pieces of chain made up of lengthwise parallel side plates and connectible successively to each other by link pins at pivot points included in linking portions present at what are the opposite ends in its longitudinal direction. The chain is operated by a drive assembly whereby in association with a bearing surface, present in a midsection of the chain-constructing piece of chain, is provided a notch substantially transverse relative to the chain traveling direction and including a recess comprising a leading edge and a trailing edge, and being, when the chain is being driven, in cooperation with substantially transverse mating surfaces included in the sprocket consistently with the successive notches of the chain. The piece of chain includes a back or edge member connecting its opposite side plates, and a supplementary arrangement coupled in connection therewith.

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First Claim