Binding device
US7478963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2003 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Aug 17, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A binding device includes binding rings, a holding member having a length that enables the binding rings to be arranged at a distance from each other, and an operating member movably fixed inside the holding member such that the respective bases of the binding rings are secured onto a surface of the operating member at a distance to secure the binding rings to the holding member. In this binding device, the operating member includes a pair of operating pieces which move within the holding member in a longitudinal direction of the holding member. The base of one of the binding rings is secured to one of the operating piece, and the base of the other binding ring is secured to the other operating piece. The operating pieces are fixed to the holding member such that abutting edges thereof are maintained in an abutting state at a location spaced from an inner surface of the holding member when the binding rings are closed, and the abutting edges are maintained at a location closer to the inner surface of the holding member when the binding rings are opened, and an opening/closing member is provided for shifting the binding rings in an opening direction such that the operating pieces ar…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.