An outer, peripheral, part of each cutting edge (55, 57) forms an outer cuttingportion (59, 61).
每个切削刃(55、57)的外周部分形成外切削部(59、61)。
2
In addition, the blade assembly and the wedge can be accommodated in the groove such that a cuttingportion of the blade projects towards the opening.
其中，所述刀片组件和所述楔可以被收容在对应的槽中，使得所述板状刀片的切削部分从所述开口突出；
3
The utility model discloses an adhesive tape tearing device, which comprises a sleeve capable of being sleeved on a finger and a cuttingportion arranged in the front of the sleeve.