Bacon & Thomas
Bicycle chain plate
 Bicycle chain plate includes an inner plate having a pair of protruding portions at respective ends of on one side thereof adopted to be inserted into two holes of an outer plate, respectively. The outer plate has also a pair of prtoruding portions at respective ends of one side thereof adopted also to be inserted into two holes of the inner plate so that the inner and outer plates are securely fastened. 
Nah Bang Industrial Co., Ltd.
B F
B62M F16G
inventional inventional
Wen-Bin
Wang