Folding saw

A folding saw comprising a blade (1) having an edge (1a) and a handle (2), at least one of which being curved in a concave shape towards a side of the edge, and a base end of the blade (1) being pivotally attached to a top end of the handle (2) and having a semi-U-shaped cross section so that the blade (1) can be pivoted in such a way that at least a portion of the edge (1a) of the blade (1) is housed in a U-shaped housing groove (3) of the handle (2), said folding saw further including a protective cover (4) mounted for pivotal movement around the top end of the handle and being housed within the housing groove (3) of the handle (2) for housing the blade (1), a pivotable control lever (5) disposed at a bottom end of the handle (2) and having a portion engaged with the bottom end of the protective cover (4), said protective cover (4) being insertable into and extractable from the housing groove (3) of the handle (2) by pivoting the control lever (5), and when the blade (1) is folded, the protective cover (4) extending from the housing groove (3) of the handle (2) so as to cover the portion of the edge (la) of the blade (1) that is exposed from the housing groove (3).