Binder unit
OwnerChin-Hsiung Lieninventor
Life of this patent
Estimating the term…
Abstract
A binder unit, for binding a sheet stack having a mounting hole, includes an elongated binding body and two fastening arms. The binding body has a first binding portion biasing against a top side of the sheet stack at an edge portion thereof, a second binding portion biasing against a bottom side of the sheet stack, and a guiding slot aligning with the mounting hole. The fastening arms are extended from a first edge of the binding body to detachably engage with the second binding portion of the binding body at a position that the fastening arms are slidably coupled within the guiding slot through the mounting hole, wherein the fastening arms are bent for resting on the bottom side of the sheet stack to reinforce the edge portion of the sheet stack being securely sandwiched between the first and second binding portions of the binding body.
Claims20
A binder unit for binding a sheet stack having a mounting hole, comprising:
- an elongated binding body, which is made of bendable material, having a first binding portion defining a first edge, a second binding portion defining an opposed second edge, and an elongated guiding slot longitudinally extended along said second binding portion, wherein said binding body is adjustably bent in a U-shaped structure with respect to a thickness of said sheet stack, such that said first binding portion of said binding body is arranged for biasing against a top side of said sheet stack at an edge portion thereof while said second binding portion of said binding body is arranged for biasing against a bottom side of said sheet stack at said edge portion thereof to align said guiding slot with said mounting hole;
- and
- two spaced apart fastening arms extended from said first edge of said binding body to detachably engage with said second binding portion of said binding body at a position that said fastening arms are slidably coupled within said guiding slot through said mounting hole of said sheet stack, wherein said fastening arms are bent for resting on said bottom side of said sheet stack to reinforce said edge portion of said sheet stack being securely sandwiched between said first and second binding portions of said binding body.
Dependencies are inferred from the claim text.