Articulated Cross Pendant with Segmented Lower Bar

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Solution Overview

Problem

Conventional cross pendants often catch in the skin folds or crease of the neck when the user bows their head, causing discomfort and potential skin piercing, especially when worn on short necklaces near the chest or neck.

Innovation Solution

An articulated cross necklace pendant design featuring a solid upper portion and articulated lower portion that flexes when the head is bowed, preventing the pendant from poking the skin, along with a looped top end to secure the necklace and prevent the upper portion from causing discomfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the cross pendant is made solid and rigid to maintain its shape, then the pendant maintains its structural integrity when worn, but the rigid structure catches in the skin folds or crease of the neck when the user bows their head, causing discomfort and potential skin piercing

Engineering Contradiction:
Improvestructural integrityVSAvoidskin piercing
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The cross pendant is divided into multiple segments or joints, allowing parts of the structure to move independently. This segmentation enables the pendant to adapt its shape when the user bows their head, preventing the rigid structure from catching in skin folds while maintaining structural integrity during normal wear.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cross pendant incorporates dynamic elements that allow it to change its configuration based on movement. When the user bows their head, the pendant can flex or reconfigure to avoid contact with the skin, while returning to its original shape when the head is raised, thus maintaining both structural integrity and comfort.

Inventive Principle:
Principle #15Dynamics

2Object-affected harmful factors

If the cross pendant is made articulated to prevent catching in skin folds, then the pendant becomes flexible and comfortable during head bowing, but the pendant may lose its shape when the user's head is raised

Engineering Contradiction:
ImprovediscomfortVSAvoidcross shape
Core Design Contradiction:
Object-affected harmful factorsVSShape

Solution Approach 1:

The articulated design allows the cross pendant to dynamically change its shape in response to head movement. When the user bows their head, the pendant flexes to avoid skin contact, and when the head is raised, the pendant returns to its traditional cross shape, maintaining both comfort and structural integrity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

By dividing the cross pendant into segmented parts connected by joints, the structure can flex and reconfigure when needed while maintaining its overall cross shape. The segmentation allows controlled movement that prevents discomfort during head bowing while preserving the recognizable cross form when the head is raised.

Inventive Principle:
Principle #1Segmentation

3Length of moving object

If the cross pendant is designed with a long lower portion to extend below the chest, then the pendant has adequate length for wearing, but the long portion increases the risk of catching in skin folds or crease of the neck

Engineering Contradiction:
Improvependant lengthVSAvoidskin contact
Core Design Contradiction:
Length of moving objectVSObject-affected harmful factors

Solution Approach 1:

The long lower portion of the cross pendant is designed with dynamic flexibility, allowing it to move and flex independently when the user bows their head. This dynamic design enables the extended portion to avoid catching in skin folds while maintaining adequate length for comfortable wearing during normal activities.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The lower portion of the cross pendant is segmented into multiple sections that can move relative to each other. This segmentation allows the long portion to flex and reconfigure when the user bows their head, preventing skin contact while maintaining the necessary length for proper pendant placement and appearance.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The articulated design ensures the cross pendant maintains its shape while raised but flexes to avoid skin contact when bowed, preventing discomfort and potential skin piercing, while allowing secure hanging on a necklace.

Implementation Method 1

the lower portion flexes when the user bows the head downward toward the chest, thereby preventing the lower end thereof from poking or piercing the skin of the user

Methodology Applied
Scientific EffectFlexing: Elasticity

Implementation Method 2

The looped top end also works in conjunction with the articulated lower portion to prevent the top end of the upper portion from poking or piercing the skin of the user when the user bows the head downward toward the chest

Methodology Applied
Scientific EffectLooped structure flexibility: Elasticity

Data Source

PatentUS11122871B2Articulated cross pendant
Publication Date: 2021.09.21 LAW DONNA
  • US11122871B2 patent drawing
  • US11122871B2 patent drawing
  • US11122871B2 patent drawing

AI summary

An articulated cross pendant, such as may be worn on a necklace around the neck of a user, is disclosed. The pendant has an upright bar crossed by a horizontal bar. The horizontal bar has right and left arms extending to the left and to the right of the upright bar, respectively. The upright bar may have an upper portion extending upward and a lower portion extending downward from the horizontal bar. The lower portion may be elongated such that it is longer than the upper portion and longer than each of the right and left arms of the horizontal bar. The top end of the upper portion may be looped, and the lower portion is fully articulated to prevent the ends of the upright bar, worn on a necklace, from poking or piercing the skin of a user when the user bows the head downward toward the chest.