Pop-Up Page Marking Tool with Foldable 3D Structure

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Solution Overview

Problem

Existing marking tools, such as bookmarks, lack sufficient space for conveying messages and are prone to falling out of printed media, losing the reader's progress.

Innovation Solution

A pop-up page marking tool with a three-dimensional structure that can be converted between a compact folded configuration and an erected state, allowing it to fit between sheets of a printed media while displaying decorative elements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If a single flat body is used for the bookmark, then the device complexity is low, but the area for conveying messages is insufficient

Engineering Contradiction:
Improvemessage conveyance spaceVSAvoidstructure complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent transitions from a two-dimensional flat bookmark to a three-dimensional pop-up structure. The bookmark body includes fold lines that allow it to be collapsed into a flat state for storage and expanded into a pop-up configuration for use, providing vertical dimension and additional surface area for messages and illustrations while maintaining simple flat storage form

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If a single flat body is used for the bookmark, then the manufacturing is simple, but the bookmark easily falls out of printed media

Engineering Contradiction:
Improvebookmark retentionVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The bookmark incorporates dynamic elements through fold lines that allow the structure to transition between flat and pop-up states. When inserted between pages, the bookmark can be opened to create a three-dimensional form that physically engages with the book pages, preventing it from falling out while maintaining a simple flat profile when not in use

Inventive Principle:
Principle #15Dynamics

3Loss of information

If a three-dimensional pop-up structure is created, then the message conveyance space is increased, but the compact profile for fitting between sheets is reduced

Engineering Contradiction:
Improvemessage conveyance spaceVSAvoidbookmark volume
Core Design Contradiction:
Loss of informationVSVolume of moving object

Solution Approach 1:

The bookmark is divided into multiple segments or panels connected by fold lines, allowing the structure to be collapsed into a compact flat form for storage between book pages. When activated, these segments expand outward to create a three-dimensional pop-up structure with multiple surfaces for messages and illustrations, effectively increasing message space while maintaining compact storage volume

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250276541A1Pop-up page marking tool
Publication Date: 2025.09.04 LOVEPOP INC
  • US20250276541A1 patent drawing
  • US20250276541A1 patent drawing
  • US20250276541A1 patent drawing

AI summary

Implementations described and claimed herein provide a pop-up page marking tool. In one implementation, the pop-up page marking tool includes a body configured to be disposed in a print media and a decorative portion coupled to the body. The body is configured to change the pop-up page marking tool between a folded configuration and a pop-up configuration in response to movement of the body.