Patent ID: 8689404

Claim:
A rotary shaft structure, comprising: a combination of a shaft body, a carrier and a braking device rotational engaged with the shaft body, in which the braking device comprises a first end provided with a limiting portion and a second end, the shaft body comprises a base portion and at least one braking portion formed on the base portion, and the limiting portion of the first end of the braking device is normally formed in a contact state with the base portion of the shaft body and is in rotational engagement with the base portion, the carrier having a sheathing portion and a projected portion formed on the sheathing portion, and the sheathing portion of the carrier is coveringly assembled with the shaft body, so that the shaft body is rotatable within the sheathing portion of the carrier; wherein the second end of the braking device is provided with an assembling portion pivoted to the shaft body and the assembling portion is claw-shaped and fastened on a groove of the shaft body.