| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving transmission mechanism device capable of inhibiting a transmission of a load caused by a disturbance torque at a gear engagement frequency to a driven shaft, simply adjusting a rotation rigidity of a fastening part corresponding to the gear engagement frequency and simply setting a switching of the rotation rigidity required at the time of activation and at the time of constant speed. SOLUTION: Only a rotation direction is elastically deformed at the fastening part 3 of the driven shaft 2 and a driven gear 1 and the rotation rigidity K2 is adjusted so as to satisfy a relationship formula: fp>fz (provided that fz=(1/2π×(K2/J2)<1/2>×2<1/2> ) when the rotation rigidity is defined as K2, an inertia moment of the driven shaft 2 is defined as J2 and the gear engagement frequency at the time of operation is defined as fp. The rotation rigidity K2 is adjusted by changing any one of a mounting position radius r of a pin-receiving part, a thickness t in the rotation direction, a pin receiving width b, an axial contact height L and a pin diameter dp. The pin-receiving part 4 is set such that it varies the contact points with a driven shaft pin 5 corresponding to a load torque.
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