Patent ID: 7275608
Filing Date: 2007-10-02
Classification: B62K

Abstract:
1. A motor-driven vehicle comprising: a vehicle frame including a driving device including a support frame disposed under said main body of said vehicle frame, a plurality of wheels mounted rotatably on said support frame, and a driving unit disposed on said support frame for rotating said wheels, said support frame having an elongated first engaging portion disposed within said groove in said first connecting portion of said main body of said vehicle frame, and a second engaging portion engaging said second connecting portion of said main body of said vehicle frame, said free end of said retaining plate preventing removal of said first engaging portion of said support frame from said groove in said first connecting portion of said main body when said free end of said retaining plate is disposed at said blocking position, removal of said first engaging portion of said support frame from said first connecting portion of said main body being allowed when said free end of said retaining plate is disposed at said release position, one of said second connecting portion of said main body and said second engaging portion of said support frame being configured as a tongue, the other of said second connecting portion of said main body and said second engaging portion of said support frame being configured as a groove.