| 摘要 |
The barrels of the links of pintle chain for operation open end forward over a drive sprocket are extended inwardly respecting the tooth pockets of the sprocket and two, flat separately distinct areas of interengagement are provided. The two areas of interengagement include the bottom face of the barrel and the bottom face of the tooth pocket and the forward tooth face and rear barrel face. The intermediate corners of the tooth pockets and of the barrel are rounded only for practical purposes.
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