A stapler includes a striking part which causes a pair of staple legs to penetrate a sheet bundle， a bending part which bends the staple legs at a first position such that tips of the staple legs are
Provided is a fastening assembly (1)， comprising a sliding column (11) and a sliding groove (12). The sliding column (11) comprises a fixed part (111) arranged on a surface， opposite a second mounting
A structure for preventing the falling of a fastening nut of a portable power working machine that can reliably prevent loss of the nut while suppressing the production and component costs， allows for
