The cutting portion includes a pair of introduction portions allowing the staple legs penetrating the sheets of paper to be introduced therein, a pair of cutting members configured to cut the staple legs introduced in the introduction portions, and a discharging path configured to discharge cut staples cut by the cutting members. The discharging path includes a temporary receiving portion for the cut staples provided between the pair of introduction portions. The temporary receiving portion includes a pair of inlet portions respectively provided on side surfaces thereof opposing the introduction portions. The pair of inlet portions are configured to allow the cut staples cut by the cutting members to enter therein.

The staple receiving portion includes a clamping potion exposed to the paper clamping portion and configured to clamp the sheets of paper, and a staple guide portion provided on an end portion of the clamping portion at a side thereof, on which the staple striking portion is located, and configured to guide the staple struck by the staple striking portion. The clamping portion is made configured of a resin material. The staple guide portion includes a staple leg support member provided on a side of the clamping portion opposite to a side thereof, on which the sheets of paper are clamped, and configured to support the staple legs of the staple struck by the staple striking portion, and a guide member provided to oppose the staple leg support member, the staple leg support member and the guide member are made configured of a metal material.

A refill includes a peripheral wall defining a space capable of accommodating staples therein. The peripheral wall includes a bottom wall having a first side, a second side opposite to the first side, and a third side connecting end portions of the first side and the second side, a first side wall standing from the first side, a second side wall standing from the second side and opposing the first side wall, and a front wall positioned above the third side and connecting the first side wall and the second side wall. A first opening is formed on the first side wall and the front wall to extend across a boundary between the first side wall and the front wall.

A refill includes a peripheral wall defining a space capable of accommodating staples therein. The peripheral wall includes a bottom wall having a first side, a second side opposite to the first side, and a third side connecting end portions of the first side and the second side, a first side wall standing from the first side, a second side wall standing from the second side and opposing the first side wall, and a front wall positioned above the third side and connecting the first side wall and the second side wall. A first opening is formed on the first side wall and the front wall to extend across a boundary between the first side wall and the front wall.

A stapler includes: a driver configured to drive a staple into a sheet, the staple having a crown and a pair of legs; a clincher configured to bend the legs driven into and penetrating the sheet; and a support portion configured to support the driver such that the driver is movable in a driving-in direction of the staple, in which the support portion is configured to pivotably support the driver such that the driver is rotatable along an axial direction of the crown in a state where the staple is set in a driving-in position.

A stapler includes: a driver configured to drive a staple into a sheet, the staple having a crown and a pair of legs; a clincher configured to bend the legs driven into and penetrating the sheet; and a support portion configured to support the driver such that the driver is movable in a driving-in direction of the staple, in which the support portion is configured to pivotably support the driver such that the driver is rotatable along an axial direction of the crown in a state where the staple is set in a driving-in position.

A stapler includes: a forming plate configured to shape a staple; a face plate provided at a position to be face the staple; and a feeding portion configured to feed a staple sheet. The forming plate includes a first shaping portion that is configured to shape one leg portion of the staple and a second shaping portion that is configured to shape another leg portion thereof. The second shaping portion is configured to retract from a position facing the face plate after the first shaping portion retracts from the position facing the face plate after shaping.

A stapler includes: a forming plate configured to shape a staple; a face plate provided at a position to be face the staple; and a feeding portion configured to feed a staple sheet. The forming plate includes a first shaping portion that is configured to shape one leg portion of the staple and a second shaping portion that is configured to shape another leg portion thereof. The second shaping portion is configured to retract from a position facing the face plate after the first shaping portion retracts from the position facing the face plate after shaping.

A refill includes: a bottom wall; a first side wall; a second side wall; and a front wall in which a discharge opening is formed. The first side wall includes, in a part thereof in a stacking direction, a first inclined wall extending in a coupling direction of staples and inclined in an axial direction. The second side wall includes, in a part thereof in the stacking direction, a second inclined wall extending in the coupling direction of the staples and inclined in the axial direction. The first inclined wall and the second inclined wall are inclined in the same direction, and at least a part of the first inclined wall and at least a part of the second inclined wall are formed at the same height from a bottom surface of the bottom wall in the stacking direction.

A staple-refill 11 is provided with: a casing 12 in which a plurality of sheet-type connected staples 10 are stacked; a staple inserting port 14; a staple discharge port 16; a cover member 15 which covers the sheet-type connected staples 10 in the casing 12 from a side of the staple inserting port 14; and a notch portion 18 formed in the casing 12 and extending from an edge of the staple inserting port 14 in an insertion direction.