Patent ID: 7886855

Claim:
A folding and fixing device for a seat of an electric walk-substituting vehicle, the electric walk-substituting vehicle comprising: a chassis; the chassis includes a main part and a footrest part pivotally connected to the main part; the main part of the chassis having a joining component fixed on each of two sides thereof; a seat assembly positioned above the main part of the chassis; the seat assembly being positioned above the main part of the chassis so as to be movable between a raised in-use position and a lowered not-in-use one; the seat assembly including two connecting rods, which are each pivotally connected at a lower end thereof to one of the joining components on the main part of the chassis; a steering mechanism pivoted on a front end of the footrest part of the chassis; and a folding and fixing device for fixing the seat assembly; the folding and fixing device fixing the seat assembly after the seat assembly is moved to a chosen one of the raised in-use and the lowered not-in-use positions; the folding and fixing device including: (a) two position-limiting plates, which are each securely joined on a lower end of one of the connecting rods of the seat assembly; each of the position-limiting plates having a curved groove on one side thereof, and first and second fixing holes, which are formed on another side of the position-limiting plate, and communicate with the curved groove; and (b) a pressing and moving mechanism interposed between the joining components fixed on the main part of the chassis; the pressing and moving mechanism having plural insertion rods; the insertion rods passing into corresponding said fixing holes of the position-limiting plates through the curved grooves so as to fix the connecting rods of the seat assembly after the seat assembly is moved to a chosen one of the raised in-use and the lowered not-in-use positions.