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OIL JET ARM AND METHOD FOR LUBRICATING CHAIN SPAN EMPLOYING SAID OIL JET ARM, AND CHAIN TENSIONING DEVICE AND METHOD FOR LUBRICATING CHAIN SPAN EMPLOYING SAID CHAIN TENSIONING DEVICE
OIL JET ARM AND METHOD FOR LUBRICATING CHAIN SPAN EMPLOYING SAID OIL JET ARM, AND CHAIN TENSIONING DEVICE AND METHOD FOR LUBRICATING CHAIN SPAN EMPLOYING SAID CHAIN TENSIONING DEVICE
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机译：滑油臂和润滑链条的应用的方法滑油臂和链条拉伸的设备及方法的链条拉伸方法
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摘要
The problem to be solved by the present invention lies in making it possible to reduce costs and to reduce the size of an oil pump, without impeding the degree of freedom in chain layout. An oil jet 1 is constructed in order to supply lubricating oil to a tension-side span of a chain C while also causing a tensioning force to act on a slack-side span of the chain C. The oil jet arm 1 is provided with a pivoting-side part 2A, and a tip-end side part 2B which is provided in such a way as to be pivotable about the pivoting-side part 2A and is acted on by a pressing force from a piston 41 of a hydraulic tensioner 4, and an oil ejection hole 22a for ejecting to the outside oil supplied from an oil discharge hole 41a in the piston 41 is formed in the tip-end side part 2B. Oil ejected from the oil ejection hole 22a is supplied to a portion E on the meshing start side with a sprocket 100 on the tension-side span of the chain C.
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