One-way clutch
A one-way clutch, circumferential direction technology, applied in one-way clutches, clutches, mechanical equipment and other directions, can solve the problems of difficult opening edge 7b, increase manufacturing cost, reduce product yield and other problems, achieve good reproducibility, reduce costs, The effect of preventing shedding
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[0056] Figure 1 to Figure 5 In the one-way clutch of the first embodiment shown, a shaft hole 2 is formed in the housing 1, and a plurality of needle roller holding spaces 4 are formed along the shaft hole 2. This needle roller holding space 4 is constituted by a needle roller holding portion 4a into which the needle roller 5 which is a rolling member of the present invention is inserted, and a spring holding portion 4b into which the spring member 8 is inserted. In addition, the needle roller holding space 4 has a wide portion 4e and a narrow portion 4f. In the wide portion 4e, the relative distance between the outer circumference of the shaft inserted in the shaft hole 2 and the opposing surface 4c is larger than the outer diameter D of the needle roller 5, and in the narrow portion 4f, it is smaller than the outer diameter D .
[0057] The spring member 8 used in the first embodiment is as image 3 The S-shaped metal leaf spring shown has a base end surface 8a that contacts th...
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