Importance

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Abstract

A double-sided meshing type silent chain which permits improvement in service life of the shoe of a chain guide for example, also permits a smooth and high-speed transmission of power, and which has a high durability. A plurality of articular train plates and a plurality of guide train plates are alternately connected together with pins, the plates being formed on the front side with main teeth for engagement with a sprocket located on an inner peripheral side of the chain, and guide plates, whose inner faces are abutted against and guided by side faces of the teeth of the sprocket, are disposed on both outer sides of the plural guide train plates. The rear faces of the plates which constitute at least a part of the trains of plates arranged in the longitudinal direction of the chain are formed with sub-teeth for engagement with a sprocket disposed on an outer peripheral side of the chain, while the rear faces of the remaining train of plates and the rear faces of the guide plates are formed as flat faces which lie substantially in the same plane as the plates adjacent to each other longitudinally of the chain in a stretched state of the chain.

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First Claim