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Soft close ring binder mechanism with mating ring tips

A ring binder, closed position technology, applied in folders, printing, binding, etc., can solve the problem of paper sheets moving to another ring part, tearing, etc.

Inactive Publication Date: 2009-02-04
WORLD WIDE STATIONARY MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the paper sheet held by the known ring binder mechanism cannot move smoothly from one ring member to the other and may be torn

Method used

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  • Soft close ring binder mechanism with mating ring tips
  • Soft close ring binder mechanism with mating ring tips
  • Soft close ring binder mechanism with mating ring tips

Examples

Experimental program
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Effect test

Embodiment Construction

[0053]Referring to the drawings of the present invention, Figure 1 shows a first embodiment of the ring binder mechanism of the present invention capable of holding loose-leaf pages (not shown). The mechanism is generally indicated by the numeral 1 and is shown mounted on a spine 3 of a notebook 5 having a front cover 7 and a back cover 9 hingedly mounted to the spine 3 . The front cover 7 and the back cover 9 are moved to selectively cover or uncover the retained sheets. However, ring binder mechanisms mounted on surfaces other than notebooks do not depart from the scope of the present invention. The mechanism 1 of this embodiment generally comprises a housing 11 , three rings (indicated by reference numeral 13 respectively) and a control structure (indicated by reference numeral 15 ). As shown in FIGS. 2A-3B , housing 11 supports ring 13 and control structure 15 for closing mechanism 1 to retain sheets on ring 13 or for opening mechanism 1 to add or remove sheets to ring 13...

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PUM

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Abstract

A ring binder mechanism for retaining loose-leaf pages securely holds closed ring members together to prevent inadvertent loss of pages retained by the mechanism. The mechanism comprises a housing supporting two hinge plates for pivoting motion to open and close paired ring members mounted on the plates. Free ends of the paired ring members have interlocking configurations that securely join together when the ring members close. The configurations prevent misalignment of the closed ring members in all directions transverse to longitudinal centerlines of the ring members. The mechanism also includes locking elements that interact with the hinge plates to block their pivoting motion when the ring members are closed. This holds the free ends of the closed paired ring members together so that the interlocking configurations of the ring members remain interengaged.

Description

[0001] This application is a divisional application of Chinese Invention Patent Application No. 200510055845.1 filed on March 15, 2005, entitled "Gently Closing Ring Binder Mechanism with Matching Ring End". technical field [0002] This invention relates to ring binder mechanisms for holding loose-leaf pages, and more particularly to an improved mechanism for mitigating jerk movement of ring members as they close, securely locking closed ring members together, and preventing displacement of closed ring members. Background technique [0003] A ring binder mechanism holds loose-leaf paper, such as perforated paper, in a folder or notebook. It has multiple rings for holding the sheets. Each ring can be selectively opened to add or remove sheets, or closed to hold and move sheets along the ring. The ring parts of each ring are mounted on two adjacent hinge plates. The hinge plates are joined together about a pivot axis for pivotal movement within the elongated housing. The h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B42F3/04B42F13/22B42F13/26B42F13/00B42F13/16
CPCB42F13/26
Inventor 郑洪如郑可平杜振源
Owner WORLD WIDE STATIONARY MFG CO LTD
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