Parkhurst, Wendel & Burr, L.L.P.
Bicycle shock absorbing assembly
 A bicycle frame with shock absorbing system is used to eliminate the shocking force occurring on the connecting portion of a seat tube fixedly mounted on a bottom bracket and a down tube. The system includes a shock absorber mounted between the seat tube and the down tube. A pair of brackets are integrally formed with bottom bracket and extend toward the down tube. A pivot is fixedly secured to the brackets. A pivot mounting tube is integrally formed on a rear end of the down tube and pivotably mounted on the pivot. 
B B
B62K B62K
inventional inventional
Chi-nan
Chou