Patent ID: 8419047

Claim:
A folding device of a wheelchair, comprising: a first folding unit having a first part and a second part, a connection rod connected between the first part and the second part, the first part having a first link and a second link respectively and pivotably connected thereto, the second part having a third link and a fourth link respectively and pivotably connected thereto, the connection rod having a sleeve which is connected to a support unit, two support rods pivotably connected to the support unit and each of the two support rods having a support member pivotably connected thereto, the support members of the two support rods being respectively connected to the first link and the second link, each of the first link, the second link, the third link, and the fourth link having a connection tube connected thereto, and a second folding unit having two boards, the two boards having two connection units, the boards each having a recess and two lugs, the recess having a first plate and a second plate connected thereto, a handle having two ends which are respectively and pivotably connected to the first and second plates.