| 摘要 |
PROBLEM TO BE SOLVED: To provide a one-way rotation transmission gear having a simple structure and incorporating a one-way clutch having silent operation sound. SOLUTION: When a second rotary body 4 rotates in the direction of arrow mark R1 for a first rotary body 3, a projection 22 of a claw 18 is abutted on a butting face 7 in a recessed part 5, the claw 18 is pressed in the peripheral direction by the butting face 7, and the first and second rotary bodies 3, 4 turn integrally. On the other hand, when the second rotary body 4 rotates in the direction of arrow mark R2 for the first rotary body 3 while the projection 22 of the claw 18 is engaged with the recessed part 5 of the first rotary body 3 and there is no clearance between an upper face 23 of the projection 22 of the claw 18 and a lock release face 8 of the recessed part 5, the upper face 23 of the projection 22 of the claw 18 is pressed inward in the radial direction by the lock release face 8 of the recessed part 5, the claw 18 is bent and deformed, the engagement of the projection 22 of the claw 18 with the recessed part 5 is released, and the first and second rotary bodies 3, 4 turn relatively. COPYRIGHT: (C)2005,JPO&NCIPI
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