Patent ID: 8245597

Claim:
A pedal structure of a bicycle comprising a retaining assembly, a pedal, and an adjusting member, characterized in that: the retaining assembly includes an arcuate engaging tab disposed on a front edge thereof, a limiting piece mounted on a rear edge thereof, and a pushing block fixed on a bottom surface of the rear edge thereof, the limiting piece includes a groove attached on a suitable position thereof, the pedal includes an arc-shaped hook disposed on a front side thereof, an aperture mounted on a middle section thereof, and a chamber fixed on a rear side thereof, the chamber includes two slots attached on top ends of two sides thereof respectively, includes a defining plane formed on an upper side thereof, and includes two peripheral plates arranged on the two sides thereof individually, each side plate includes a bore, an oval orifice, and a pore disposed on a rear side thereof to communicate with the oval orifice, the adjusting member includes a rotating disc and a stem, the stem includes a recess fixed thereon, and an eccentric opening communicating with the recess, the recess includes a tee locking member received thereon, the tee locking member includes a vent formed thereon, two sliding projections attached on two sides thereof respectively, and a protrusion secured on a middle section of a front side thereof, the sliding projections slide in the slots individually, and a shank is inserted to the eccentric opening and the vents so as to be retained in the recess.