Floating Card Tray Bolt Joint for Tilting Prevention

Solution Overview

Problem

Existing card tray designs for electronic devices often face issues with movement limitations and potential tilting due to fixed fastening methods, which can hinder balanced operation and flexibility in accommodating electronic cards.

Innovation Solution

A card tray design featuring a front door and a rear tray portion coupled in a floating manner using bolts or posts, allowing relative movement in x, y, and z directions, with a metallic piece and insulative front part configuration that includes legs and holes for balanced floating joint arrangement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If fixed fastening methods are used to join the front door and rear tray portion, then structural stability is improved, but movement flexibility and operational balance deteriorate

Engineering Contradiction:
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The patent applies the dynamics principle by transitioning from fixed fastening to floating fastening. The bolt connects the front door and rear tray portion through a floating mechanism that allows relative movement in x, y, and z directions while maintaining structural integrity. This enables the card tray to adapt to different positions and orientations during operation, resolving the contradiction between stability and flexibility.

Inventive Principle:
Principle #15Dynamics

2Stability of the object's composition

If fixed fastening methods are used to join the front door and rear tray portion, then structural stability is improved, but tilting prevention and operational balance worsen

Engineering Contradiction:
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The floating fastening mechanism allows the front door to move dynamically relative to the rear tray portion, preventing tilting by accommodating positional variations. The bolt connection maintains structural stability while enabling operational balance through controlled movement in multiple directions.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If floating fastening is used to join the front door and rear tray portion, then movement flexibility is improved, but structural stability deteriorates

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The bolt serves as an intermediary element between the front door and rear tray portion. It provides a floating connection that allows relative movement while maintaining structural integrity. The intermediary bolt enables both movement flexibility and structural stability simultaneously by mediating the connection between the two components.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If floating fastening is used to join the front door and rear tray portion, then movement flexibility is improved, but structural strength deteriorates

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The bolt acts as an intermediary that maintains structural strength while enabling floating movement. The connection design ensures that the structural strength is sufficient to support the card tray and electronic cards, while simultaneously allowing the necessary movement flexibility for balanced operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS10211869B2Card tray having a bolt joining floatingly a front door and a rear tray portion
Publication Date: 2019.02.19
  • US10211869B2 patent drawing
  • US10211869B2 patent drawing
  • US10211869B2 patent drawing

AI summary

A card tray for an electronic device having a housing includes: a front door having an outer face and being adapted to be received in a slot opening of the housing; a rear tray portion configured to support an electronic card; and a bolt joining a rear end of the door and a front end of the tray portion together floatingly.