Patent ID: 9242392
Filing Date: 2016-01-26
CPC Classification: B27F

Claim Text:
1. A refill case comprising: an accommodating part in which staple-sheets, each of which is formed by connecting straight staple members in a sheet shape, are stacked and accommodated; a staple pressing member which is arranged inside the accommodating part and configured to press a top of the staple-sheets in the accommodating part; a right locking saw-toothed portion formed in a right inner wall of the accommodating part and having a saw-toothed shape with a plurality of peaks and a plurality of troughs alternatively arranged with each other along a stacking direction of the staple-sheets; a left locking saw-toothed portion formed in a left inner wall of the accommodating part and having a saw-toothed shape with a plurality of peaks and a plurality of troughs alternatively arranged with each other along the stacking direction; a right return-preventing claw formed at a right end of the staple pressing member and configured to engage with the right locking saw-toothed portion; and a left return-preventing claw formed at a left end of the staple pressing member and configured to engage with the left locking saw-toothed portion, wherein the right return-preventing claw positions in the same position in the stacking direction with the left return preventing claw, and wherein a phase of the saw-toothed shape of the right locking saw-toothed portion is shifted from a phase of the saw-toothed shape of the left locking saw-toothed portion.