Paper Binding Device With Bendable Extensions
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Prior paper binding devices are not compatible with standard pre-punched paper sheets and are weak in securing papers due to non-standard hole spacing and thin bendable posts.
Innovation Solution
A paper binding device with cylindrically-shaped posts and bridges that can be bent to lock into channels, allowing for secure binding of papers using standard hole spacing, and made from injection molded polymers for enhanced durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If non-standard hole spacing is used in prior art binding devices, then the binding device can be manufactured with simple structure, but the device is not compatible with standard pre-punched paper sheets
Solution Approach 1:
The binding device is designed with bendable extensions that can accommodate both standard pre-punched hole spacing and non-standard spacing. The extensions are flexible enough to adapt to different hole configurations while maintaining secure binding functionality, making the device universal for various paper types.
Solution Approach 2:
The bendable extensions provide dynamic adaptability by allowing the user to adjust the extension configuration to match different hole spacing patterns. The extensions can be bent and shaped to fit standard or non-standard hole arrangements, enabling the device to dynamically adapt to various binding requirements.
2Strength
If thin bendable posts are used in prior art binding devices, then the device structure remains simple and easy to manufacture, but the binding strength is insufficient to hold papers securely under rigorous use
Solution Approach 1:
Each bendable extension is segmented into multiple thin walls rather than being a single solid post. This segmentation provides structural reinforcement through the distributed wall structure while maintaining the flexibility needed for bending and locking into channels, significantly improving binding strength.
Solution Approach 2:
The bendable extensions are constructed with a composite structure featuring multiple thin walls that provide both strength and flexibility. This composite wall structure enables the extensions to withstand rigorous use while maintaining ease of manipulation for locking into the channels.
3Reliability
If the channel opening is made small to secure the bent extensions, then the binding reliability improves, but the ease of inserting the extensions through apertures decreases
Solution Approach 1:
The extensions are designed to be dynamically flexible, allowing them to bend and expand temporarily during insertion through the aperture and channel. Once positioned, they lock securely with the small channel opening providing reliable retention. The dynamic flexibility bridges the gap between ease of insertion and secure locking.
Solution Approach 2:
The physical parameters of the extensions change during the binding process - they are flexible and expandable during insertion, then lock into a fixed secure position once bent into the channels. This parameter change enables both easy insertion and reliable binding.
Data Source
AI summary
A paper binding device is configured to hold a plurality of paper sheets together utilizing aligned holes formed in each of the plurality of sheets. A plurality of bendable extensions extend from at least one flat first surface of a first elongated part. Each of the plurality of bendable extensions includes two cylindrically-shaped posts disposed adjacent to one another and separated by a gap. A plurality of bridges connect the two cylindrically-shaped posts along the gap. A second part includes a plurality of through apertures which are disposed from at least one flat second surface through to an opposite surface. A plurality of elongated channels are openly formed in the opposite surface. The plurality of bendable extensions are fitted through the plurality of through apertures and are configured to be manipulated by a user to bend and lock into the plurality of elongated channels.