Gear-Linked Elevator Assembly for Smooth Pop-Up Camera Motion

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Solution Overview

Problem

Conventional elevator assemblies for all-in-one PCs are prone to asynchronous movement due to uneven force application, leading to rough operation and increased complexity and cost when trying to improve smoothness, which conflicts with the design trend of narrow frames and aesthetic considerations.

Innovation Solution

A simple elevator assembly structure utilizing a first and second bracket with interconnected connecting rods and sliding portions, where the first and second connecting rods are engaged with each other through gear portions, allowing synchronous movement of the image capturing unit, thus ensuring smooth operation without the need for complex structures like scissor feet.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the image capturing unit is directly installed in the frame, then the installation is simple, but the frame width increases which goes against the narrow frame design trend

Engineering Contradiction:
Improveinstallation simplicityVSAvoidframe width
Core Design Contradiction:
Ease of manufactureVSLength of stationary object

Solution Approach 1:

The image capturing unit is nested within the narrow frame structure through the elevator assembly mechanism, allowing it to be concealed within the frame boundaries when retracted and only extending when needed, thus maintaining a narrow overall frame width while still accommodating the capturing unit

Inventive Principle:
Principle #7Nested doll (Nesting)

2Length of stationary object

If the image capturing unit is assembled on the frame in form of module, then the frame width can be reduced, but the module is visually obtrusive

Engineering Contradiction:
Improveframe widthVSAvoidaesthetic appearance
Core Design Contradiction:
Length of stationary objectVSShape

Solution Approach 1:

The modular image capturing unit is nested within the frame structure when not in use, concealing it from view and eliminating visual obtrusiveness. The elevator mechanism allows the module to be hidden inside the frame boundaries, maintaining aesthetic appearance while preserving modular assembly benefits

Inventive Principle:
Principle #7Nested doll (Nesting)

3Ease of operation

If the elevator assembly uses scissor feet and complicated structures to improve smoothness of operation, then the operational smoothness is improved, but the difficulty of assembly and cost of equipment will be significantly increased

Engineering Contradiction:
Improveoperational smoothnessVSAvoidassembly complexity and equipment cost
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical scissor feet structures with a simplified elevator assembly consisting of a bracket, connecting rod, and gear portion. This mechanical substitution maintains operational smoothness through the gear-connected symmetric structure while dramatically reducing assembly complexity and equipment cost

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 elevator assembly achieves smooth and synchronous lifting and lowering of the image capturing unit, enhancing operational smoothness and reducing assembly complexity and cost, while maintaining a slim and aesthetically pleasing design.

Implementation Method 1

The first pivot end is pivoted to the first bracket and provided with a first gear portion, and the first sliding end is slidably disposed on the first bracket and connected to the second bracket. The second connecting rod has a second pivot end and a second sliding end. The second pivot end is pivoted to the first bracket and provided with a second gear portion, the second sliding end is slidably disposed on the second bracket and connected to the second bracket, and the first gear portion and the second gear portion are engaged with each other.

Methodology Applied
Scientific EffectGear engagement: Gear

Data Source

PatentUS11314155B1Elevator assembly and electronic device
Publication Date: 2022.04.26 WISTRON CORP
  • US11314155B1 patent drawing
  • US11314155B1 patent drawing
  • US11314155B1 patent drawing

AI summary

An elevator assembly includes a first bracket, a second bracket, a first connecting rod and a second connecting rod. The second bracket is slidably disposed on the first bracket. The first connecting rod has a first pivot end and a first sliding end. The first pivot end is pivoted to the first bracket and provided with a first gear portion, and the first sliding end is slidably disposed on the first bracket and connected to the second bracket. The second connecting rod has a second pivot end and a second sliding end. The second pivot end is pivoted to the first bracket and provided with a second gear portion, the second sliding end is slidably disposed on the second bracket and connected to the second bracket, and the first gear portion and the second gear portion are engaged with each other.