Loose-leaf binder

A technology of a binder and a fulcrum, applied in the field of binders, can solve problems such as loose pages, problems with manufacturing time or cost, rust, etc., and achieve the effect of solving weight, solving manufacturing time and cost.
CN101372188AActive Publication Date: 2009-02-25金田克已
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
金田克已
Publication Date
2009-02-25

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Abstract

The invention provides a binder integrally made of plastic, performing opening action divided into two stages in rotor ring and preventing the binder from being fallen off, as well as providing a narrow first opening state capable of inserting few binders and wider second opening state capable of inserting a plurality of binders.
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Description

technical field

[0001] The present invention relates to a binder. Background technique

[0002] Conventionally, there are many binders in which a plurality of fixing rings are provided on one side of an elongated plastic base material, and a plurality of fixing rings are arranged on the other side and supported by a shaft member. As a plurality of movable rings that are rotatable and can be locked with a fixed ring and can be opened and closed, loose-leaf paper provided with insertion holes corresponding to the respective rings in advance is detachably stapled into such rings.

[0003] Such conventional binders include the following binders, etc., as described in Japanese Patent No. 3749893 (Patent Document 1), which are appended to the present specification. Figure 24 as well as Figure 25 As indicated by the numeral 400 in the figure, the shaft member is incorporated into a metal coil spring 408 so that when the movable second half-ring element 402 having the hook-shaped...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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