US Patent 7234238 Nail clipper

A nail clipper includes a body, an upper cutting part, a lower cutting part and a pressing piece. The body is a box shape which is open at the top and at the bottom near the front end, and has the lower cutting part at its front end and a sliding locking piece at its rear end. The sliding locking piece has a pulling button which protrudes outside the body. The upper cutting part is movably connected to the front end of the body and has an opening at its rear end. The pressing piece is movably connected through a pivot to the middle front part of the body and its rear end bends downwards and can hook onto the sliding locking piece.