Cup Holder with Restricting Part for Stuck Prevention

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Solution Overview

Problem

Conventional cup holders require enhanced robustness and larger components to prevent the holder from getting stuck in constricted parts of beverage containers, leading to user frustration and potential damage during removal.

Innovation Solution

A cup holder design featuring a cylindrical storing part with a biased holder and a restricting part that straddles the opening, providing elastic support through a guide part and a torsion spring, which directs reactive forces downward, reducing load on the pivot shaft and preventing breakage without enlarging components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the holder is biased towards the interior of the storing part to prevent the container from wobbling, then the container stability is improved, but the holder may get stuck in constricted parts of the container during removal

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

Solution Approach 1:

The holder is designed to dynamically adjust its position between protruding (for stable container holding) and retracted (for easy container removal) states, controlled by the biasing part and user interaction with the restricting part

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The restricting part acts as an intermediary mechanism that mediates between the holder's biased state and the user's removal action, providing a controlled interface for releasing the holder without requiring direct manipulation of the pivot shaft

Inventive Principle:
Principle #24Intermediary (Mediator)

2Strength

If the pivot shaft is made more robust to prevent breaking during holder manipulation, then the structural strength is improved, but the device size and weight increase

Engineering Contradiction:
Improvepivot shaft strengthVSAvoidcup holder weight
Core Design Contradiction:
StrengthVSWeight of stationary object

Solution Approach 1:

The restricting part provides beforehand protection to the pivot shaft by limiting the holder's inward movement before excessive force can be applied to the pivot shaft during container removal

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The system changes the operational parameters of the holder by introducing a restricted range of motion, preventing the holder from moving beyond safe limits that would compromise the pivot shaft

Inventive Principle:
Principle #35Parameter changes

3Strength

If the holder protrudes further to better support the container, then the container support capability is improved, but the risk of the holder getting stuck increases

Engineering Contradiction:
Improvecontainer support capabilityVSAvoidholder getting stuck risk
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The restricting part is预先 positioned to limit the holder's protrusion distance before the holder can get stuck in constricted parts of the container, while still maintaining sufficient support capability

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The holder's protrusion distance is dynamically controlled within a safe range by the restricting part, balancing support capability and stuck prevention

Inventive Principle:
Principle #15Dynamics

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 design allows for easy removal of beverage containers without applying excessive force, reduces the risk of the holder getting stuck, and enhances the robustness of the cup holder without increasing size or weight, while maintaining stability and preventing axial part breakage.

Implementation Method 1

a holder (14) which is biased towards an interior of the storing part (13)

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

An upper part of the holder is supported, centered around an axial part provided on the opening part along a horizontal direction

Methodology Applied
Scientific EffectTorsion spring: Torsion Spring

Data Source

PatentUS8783635B2Cup holder
Publication Date: 2014.07.22 MORIROKU
  • US8783635B2 patent drawing
  • US8783635B2 patent drawing
  • US8783635B2 patent drawing

AI summary

A cup holder holding an object includes: a storing part being cylindrical and being opened at an upper portion; an opening part provided at a side wall of the storing part; a holder being biased towards an interior of the storing part and being stored inside the opening part so that the holder may protrude and retract; and a restricting part provided on the opening part, wherein the restricting part restrains a movement of the holder at a maximum storage position.