Ergonomic Paint Can Handle With Strap for Spill-Resistant Carrying

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Solution Overview

Problem

Painting from metal paint cans is hindered by issues such as mess, portability difficulties, and hand fatigue due to the weight and handling challenges of full cans, with existing solutions like the HANDy Paint Pail requiring extra components and not adequately addressing these issues.

Innovation Solution

A handle with a grasping member and attachable strap, featuring a tension buffer segment and band lock, designed for ergonomic comfort and secure gripping, allowing for direct painting from the can without pouring, and including features like brush stowage and a built-in paint can opener to reduce mess and fatigue.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a metal paint can is used for painting, then paint containment and durability are improved, but portability and ease of handling deteriorate due to the weight and handling challenges of full cans

Engineering Contradiction:
Improvepaint containmentVSAvoidportability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The handle is divided into multiple functional segments: a grasping member with finger and thumb openings for hand positioning, a strap with tension buffer segment for shock absorption, and a band lock for securing. This segmentation allows each part to address specific handling challenges independently, improving overall portability while maintaining secure paint containment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The handle acts as an intermediary device between the user and the heavy paint can. By providing ergonomic grasping surfaces and a secure strap system, the handle mediates the interaction, distributing the weight and reducing the direct strain on the user's hand and arm, thus improving portability without compromising the integrity of the paint can.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If a traditional metal paint can handle is used, then basic gripping is possible, but hand fatigue increases due to lack of ergonomic design

Engineering Contradiction:
Improvegripping capabilityVSAvoidhand fatigue resistance
Core Design Contradiction:
Ease of operationVSDuration of action of moving object

Solution Approach 1:

The grasping member features locally optimized surfaces with specific opening configurations for fingers and thumb, providing ergonomic contact points that distribute pressure evenly across the hand. This local quality enhancement at the gripping interface reduces stress concentration, allowing for longer duration handling without increased fatigue.

Inventive Principle:
Principle #3Local quality

3Ease of operation

If existing handle designs are used for paint cans, then basic securing is achieved, but mess and spills increase due to inadequate stability features

Engineering Contradiction:
Improvesecuring capabilityVSAvoidspills and mess
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The strap includes a tension buffer segment that provides beforehand cushioning by absorbing sudden movements or drops. This pre-designed shock absorption capability prevents paint spills that might occur during accidental drops or sudden movements, addressing the harmful effect before it manifests.

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

Data Source

PatentUS9021662B1Paint can handle
Publication Date: 2015.05.05 JONES MICHAEL A
  • US9021662B1 patent drawing
  • US9021662B1 patent drawing
  • US9021662B1 patent drawing

AI summary

Handle for an object includes a member for grasping with a hand. The member has a lower opening for passage or accommodation of fingers and a web or palm of the hand, and an upper opening for passage or accommodation of a thumb of the hand. A strap may be attached to the member for embracing and securing the object. The strap can include a band portion having a tension buffer segment, and a band lock. The handle can be found in combination with the object, for example, a metal paint can, say, a one-gallon metal paint can.