Ring Binder Cover With Flexible Encapsulating Surround
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Solution Overview
Problem
Existing ring binder covers lack an elegant, professional, and economical design that allows easy assembly, insertion, and removal of documents while preventing damage to surfaces, and fail to provide clear identification and a scratch-free appearance.
Innovation Solution
A cover design featuring a member with a flexible paper surround encapsulating a ring binder, which includes linear ring elements that can be bent to form loops, secured with adhesive, and made from materials like polypropylene or nylon, allowing for easy assembly and preventing surface damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal or hard objects such as rivets are used to secure the ring binder, then the binding strength is improved, but the surface may be scratched or marred
Solution Approach 1:
The patent introduces a flexible surround made of soft material (fabric, leather, or synthetic material) as an intermediary between the ring binder and the cover surface. This surround encapsulates the ring binder and secures it to the cover member without direct metal-to-surface contact, thereby maintaining binding strength while preventing surface scratching and marring.
2Object-affected harmful factors
If a flexible surround is used to encapsulate the ring binder, then surface damage is prevented, but the assembly complexity increases
Solution Approach 1:
The patent merges the flexible surround with the cover member by forming the surround as an integral part of the cover member or by securing it with adhesive. This integration reduces assembly complexity while maintaining the surface protection function. The surround encapsulates the ring binder and is permanently attached to the cover member, eliminating the need for separate assembly steps.
3Quantity of substance
If linear ring elements are used instead of pre-formed loops, then shipping and storage efficiency is improved, but the ease of operation decreases
Solution Approach 1:
The patent employs ring elements that are initially linear for compact shipping but can be dynamically bent and formed into loops during use. The ring elements are designed with sufficient flexibility to be bent into loop configuration to hold documents, and then secured in the bent position. This dynamic transformation allows the product to occupy minimal space during shipping while providing full functionality during use.
4Duration of action of stationary object
If the ring elements are made thicker in the middle, then service life is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent applies local quality by making the ring elements thicker in the middle section where they experience the most stress during bending and document holding. The thickness varies along the length of the ring element, with the middle portion being thicker for enhanced durability and the end portions being thinner for easier bending and securing. This non-uniform thickness distribution optimizes both service life and manufacturability.
Data Source
AI summary
A cover (10) is disclosed for holding objects such as papers and reports. The cover (10) is formed of a member (12) having a front cover (14), a spine (16) and a back cover (18), a ring binder (22) and a paper surround (24). The paper surround (24) encapsulates the ring binder (22) and secures it to the member (12). The cover can be either a top bound or side bound cover.