Patent ID: 11904633
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A freehub of a bicycle comprising:
a body fitted and rotating on a rotary shaft;
a receiving sleeve connected with a first end of the body and fitted on the rotary shaft, the receiving sleeve including an accommodation holder configured to accommodate a freewheel and a fixing element corresponding to a second end of the body, the fixing element being formed in a polygon shape;
a ratchet assembly mounted between the body and the receiving sleeve, and the ratchet assembly including multiple chutes defined thereon and corresponding to the body, wherein a central axis of a respective chute is not parallel to a central axis of the rotary shaft;
a toothed ring fitted between the fixing element and the body and having a polygonal orifice defined on a center thereof fitted with the fixing element, and the ratchet assembly further including multiple teeth formed on the toothed ring opposite to the multiple chutes, wherein each respective tooth has an arcuate face;
the ratchet assembly further including multiple engagement elements formed in a column shape and corresponding to the multiple teeth, such that the multiple engagement elements abut against the multiple teeth, when the multiple engagement elements engage with the multiple teeth;
the ratchet assembly further including multiple resilient elements, wherein a respective resilient element abuts against the respective chute and a respective engagement element, such that the respective engagement element is urged by the respective resilient element to linearly move toward the respective tooth so as to engage with the respective tooth.