Folding seat has back legs which can be moved though large segment of circle so that they rest on top of back rest, front legs being swung forward, allowing seat to be moved on wheels mounted at junction of back rest and back legs
The folding seat has a seat (I), back rest (II) back legs (III) and front legs (IV). The back rest folds down on to the seat and the back legs can be moved though a large proportion of a circle so that they rest on top of it. the front legs can be swung forward until they are in line with the seat, allowing it to be moved on wheels mounted at the junction of the back rest and back legs.
