Movable Engagement Page Holder for Book Spine Retention
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Solution Overview
Problem
Existing page holder devices are cumbersome, obstruct the text, and are not well-suited for use as bookmarks, as they often get dislodged and can damage book pages.
Innovation Solution
A page holder device with an elongate arm and a movable engagement element that can be used to apply pressure across the pages or as a bookmark, allowing the arm to extend along the spine of the book for secure retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the arm extends across a small proportion of the distance from the spine to the edges of the pages, then the device is compact and convenient to use, but the edges of the pages can lift especially in windy environments
Solution Approach 1:
The engagement element is made movable along the arm between an inner position in a central region and an outer position towards an end, allowing the device to adapt its configuration dynamically. This enables the arm to extend sufficiently across the pages for stability while keeping the device compact when not in use
2Reliability
If the device is designed to extend far into the book along the spine for bookmark use, then bookmark retention is improved, but the device protrudes beyond the unbound side edge and becomes difficult to use
Solution Approach 1:
The engagement element can be moved to an outer position towards the end of the arm, allowing the majority of the arm length to extend into the book for secure bookmark retention. When needed, the engagement element can be moved to an inner position to reduce protrusion and improve usability
Solution Approach 2:
The device is divided into the arm and the movable engagement element, allowing independent positioning of each component. This segmentation enables the arm to extend far into the book for bookmark use while the engagement element remains accessible for user interaction
3Device complexity
If the engagement element is fixed in position on the arm, then the device structure is simple, but the device cannot adapt to different uses such as page holding and bookmark functions
Solution Approach 1:
The engagement element is made movable along the arm between an inner position in a central region and an outer position towards an end, allowing the device to adapt its configuration dynamically. This enables the arm to extend sufficiently across the pages for stability while keeping the device compact when not in use
Data Source
AI summary
The present disclosure relates to a page holder device for holding the pages of a book open. The page holder device comprises an elongate arm that is configured to extend across pages of an open book and to apply pressure to the pages in order to hold the book in an open configuration, and an engagement element that is coupled to the arm and configured to be engaged by a user of the device in order to press the page holder device towards the book. The engagement element is movable along the arm between an inner position located in a central region of the arm and an outer position located towards an end of the arm in order to facilitate use of the device as both a page holder and a bookmark.