Patent ID: 7721448

Claim:
A folding knife comprising: a handle formed by bending a metal sheet into a shape of inverted U-section, the handle including a receiving space of inverted U-section defined by inner surfaces of the handle, the receiving space being adapted to fasten an item placed therein by securely urging substantially two parallel sides of the handle against the item, and a latch formed by punching one of the sides of the handle adjacent to the receiving space and extending in a direction away from the receiving space; and a blade having a proximal end pivotably secured to one end of the handle at the side of the handle having the latch and exterior to the receiving space, wherein the proximal end of the blade is lockingly fastened by the latch when the blade is in its opened position, and the blade is unfastened when a predetermined pressing force is exerted on the latch toward the receiving space such that the blade can pivotably retract onto the side of the handle having the latch.