Socket Tool Adapter for Bell Cup Installation

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Solution Overview

Problem

The lack of a standard for installing bell cups in high-volume paint application environments often results in over-tightening, leading to damage and high replacement costs due to stripped threads, as existing solutions fail to properly and efficiently accommodate various bell cup sizes.

Innovation Solution

A socket tool adapter with pivotally connected jaw members and biasing members that can open to different positions to securely receive and install bell cups of various sizes, using gripping members and biasing mechanisms to prevent over-tightening and ensure proper installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual installation methods are used without standardized tools, then installation flexibility is maintained, but over-tightening occurs leading to bell cup damage and high replacement costs

Engineering Contradiction:
Improveinstallation qualityVSAvoidover-tightening damage
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The socket tool adapter serves as an intermediary device between the installation operator and the bell cup. It incorporates a torque wrench interface that applies controlled torque through the jaw members to the bell cup, preventing over-tightening while ensuring proper installation. The adapter mediates the force application to eliminate direct manual over-tightening damage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The adapter changes the torque parameter application by using a torque wrench to control the tightening force within safe limits. The jaw members are designed to engage the bell cup and transmit controlled torque, transforming uncontrolled manual tightening into parameter-controlled installation that prevents damage while ensuring reliability.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If fixed-size socket tools are used, then tool simplicity is maintained, but accommodation of various bell cup sizes is limited

Engineering Contradiction:
Improvebell cup size accommodationVSAvoidtool structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The jaw members are designed to be movable rather than fixed, allowing the adapter to dynamically adjust to different bell cup sizes. The jaw members can open and close around various diameter bell cups while maintaining secure engagement, providing versatility without requiring multiple fixed-size tools.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The adapter structure with adjustable jaw members provides universal functionality to accommodate multiple bell cup sizes through a single tool design. The torque wrench interface and jaw mechanism work together to handle various sizes, eliminating the need for multiple specialized tools while maintaining structural efficiency.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If torque control mechanisms are added to prevent over-tightening, then bell cup damage is reduced, but device complexity increases

Engineering Contradiction:
Improvebell cup installation integrityVSAvoidtool mechanism
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The torque wrench interface enables self-controlled torque application where the operator directly controls the torque parameter through the wrench mechanism. The system serves itself by allowing the operator to feel and control the torque application, eliminating the need for complex automated torque control systems while maintaining installation integrity.

Inventive Principle:
Principle #25Self-service

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 socket tool adapter effectively reduces the cost of replacing damaged bell cups by ensuring proper and efficient installation without over-tightening, utilizing gripping pads and biasing mechanisms to securely retain bell cups of different sizes, thus preventing damage and facilitating easy installation with a torque wrench.

Implementation Method 1

A first biasing member is connected between the first jaw member and the base member. The first biasing member is configured to bias the first jaw member to the first closed position.

Methodology Applied
Scientific EffectElastic force: Elasticity

Implementation Method 2

A second biasing member is connected between the second jaw member and the base member. The second biasing member is configured to bias the second jaw member to the second closed position.

Methodology Applied
Scientific EffectElastic force: Elasticity

Data Source

PatentUS10695895B2Socket tool adapter
Publication Date: 2020.06.30 NISSAN MOTOR CO LTD
  • US10695895B2 patent drawing
  • US10695895B2 patent drawing
  • US10695895B2 patent drawing

AI summary

A socket tool adapter includes a base member having a first surface and a second surface. First and second jaw members are pivotally connected to the first surface of the base member. The first and second jaw members are configured to move between first and second closed positions and first and second open positions, respectively. The first and second jaw members are configured to receive an accessory when the first and second jaw members are in the open positions. First and second biasing members are connected between the first and second jaw members, respectively, and the base member. The first and second biasing members are configured to bias the first and second jaw members to the first and second closed positions, respectively. A cover member is connected to the second surface of the base member.