Patent ID: 9365070
Filing Date: 2016-06-14
CPC Classification: B42D,B42F,B42P

Claim Text:
1. A file binder comprising: a back side plate member whose lower end part is bent forward; a projecting member projecting forward from a part of the back side plate member higher than the lower end part; a front side plate member extending downward from a front end part of the projecting member; and at least one pillar shape protruding portion protruding backward from a back surface of the front side plate member, wherein the front side plate member further extends downward beyond a front end edge of the lower end part of the back side plate member, and forms a gap from the front end edge, and the at least one pillar shape protruding portion is placed lower than a lowermost end of the back side plate member, and extends backward beyond the front end edge of the back side plate member.