BigPatents India

A large cassette type stapler allowing, with a simple structure, a locking means for fixing a cassette mounting position to be installed on the rear end lower surface of a cassette, comprising a locking means (15) having a spring (14) for energizing the cassette in extracting direction which is fitted to the rear end of the cassette, a locking projected part (16) provided on the rear end lower surface of the cassette (5), and a hook (21) capable of being automatically locked to the locking projected part (16) when upwardly rotated by the energization of a spring (22) installed on a base (1) side opposed to the locking projected part and unlocked by manually pushing down. (FIG. 1)