Patent ID: 6193255
Filing Date: 2001-02-27
Classification: B62J,Y10T

Abstract:
A tread rod assembly connected to a front fork of an acrobatic bicycle, comprising:(a) a cylindrical tread rod having an open free end and a tapered fastening section opposite said open free end, said tapered fastening section terminating with a closed end face having a center hole;(b) a connection tube provided at a lower end of a front fork of a bicycle, said connection tube having an outer section with a cylindrical hole and an inner section with a hexagonal hole, said outer section of said connection tube having an outer end face matching and flush with said closed end face of said tapered fastening section of said cylindrical tread rod;(c) a hexagonal nut received in said hexagonal hole of said inner section of said connection tube, said hexagonal nut having an internal thread;(d) a fastening bolt for fastening said cylindrical tread rod to said connection tube, said fastening bolt having a threaded shank and a head, said threaded shank being dimensioned so that it can be inserted through said center hole of said fastening end of said tubular rod and received by said internal thread of said hexagonal nut;(e) wherein said closed end face of said cylindrical tread rod is tightly fastened against said outer end face of said connection tube by turning said head of said fastening bolt.