Binder
AssigneeKenkousya Ltd.
InventorsYuhei Imai, Yuzo Hayashi, Hirozumi Fujiwara
Life of this patent
Estimating the term…
Abstract
A binder forming a booklet by bundling end portions of a plurality of sheets of paper such that paper addition or removal is possible includes a spread-shaped front cover member configured for sandwiching a bundle of the plurality of sheets of paper, a long cover member having an opening portion along a back portion of the front cover member, and a plurality of clips arranged so as to be configured for moving forward and backward in the opening portion of the cover member and having a pair of holding pieces and claw portions respectively extending inward from tips of the holding pieces. Through holes through which the claw portions of the plurality of clips are respectively inserted are formed in each of front and back covers of the front cover member.
Claims16
A binder forming a booklet by bundling end portions of a plurality of sheets of paper such that paper addition or removal is possible, the binder comprising:
- a spread-shaped cover configured for sandwiching a bundle of the plurality of sheets of paper;
- a cover member having an opening portion along a back portion of the cover, and
- a plurality of clips arranged so as to be configured for moving forward and backward in the opening portion of the cover member and having a pair of holding pieces and claw portions respectively extending inward from tips of the holding pieces,
- wherein through holes through which the claw portions of the plurality of clips are respectively inserted are formed in each of front and back covers of the cover, and
- wherein the cover has a flap extending toward the tips of the holding pieces from the back portion of the through hole and a locking portion protruding inward in upper and lower edge portions of the holding piece of the clip.
Dependencies are inferred from the claim text.