US Patent 7795540 Extendable cable or extendable connecting member

A cable includes an elastic member extendable and compressible in a first direction and a first conductor having a meandering portion embedded in the elastic member. The meandering portion meanders within the elastic member and extends in the first direction. It is preferable that a plurality of coating members are arranged in parallel in the first direction and coupled to a surface of the elastic member. In addition, it is preferable that each of the coating members is harder than the elastic member.