Patent ID: 11953079
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A knob-driven mechanism comprising:
a pair of fastening belts each having a shape of an elongated curved strap, each of said pair of fastening belts extending through an elongated groove such that opposite ends of the elongated groove face opposite ends of the fastening belt, each of the said pair of fastening belts having a plurality of convex teeth, the plurality of convex teeth being sequentially configured in spaced relation on one side of the elongated groove so as to form a tooth row;
an adjusting device having a shell seat and a knob, each of said pair of fastening belts extend through the shell seat, the knob being in rotary relation on the shell set, the knob being rotatable so as to drive each of said pair of fastening belts;
a pair of base seats each having a pair of protruding support parts, the pair of protruding support parts being opposite to each other relative to a width of the fastening belt, each of the pair of protruding support parts respectively extending through a shaft hole; and
a pair of shafts respectively configured on said pair of base seats, each of said pair of shafts having opposite ends respectively extending axially through the shaft hole, each of said pair of shafts being respectively connected to said pair of fastening belts such that each of said pair of fastening belts can rotate relative to each of said pair of base seats.