Wheelbarrow Tool Holder with Segmented Locking Collars
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Solution Overview
Problem
Existing wheelbarrow attachments fail to securely hold long-handled tools, leading to obstruction and tool loss due to exposure and entanglement issues.
Innovation Solution
A device featuring an oblong handle channel with a u-shaped trough and deformable locking collars that securely cradle the tool handle, minimizing exposure and providing a continuous channel for secure attachment to the wheelbarrow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If long-handled tools are placed in the wheelbarrow with handles projecting out, then tools can be transported, but the handles obstruct passage through doorways or gates and can become caught on obstacles
Solution Approach 1:
The handle channel is divided into multiple one-third length segments along the tool handle, with each segment providing a channel trough and locking collar. This segmentation reduces the exposed handle length in any single location while maintaining secure holding capability throughout the handle.
Solution Approach 2:
The locking collars are inserted into the channel trough to provide nested containment. The collar strip wraps around the handle within the channel trough, creating a nested structure that secures the handle while minimizing exposed length.
2Ease of operation
If tools are placed in the wheelbarrow without secure attachment, then passage is unobstructed, but tools can fall out onto the ground due to bouncing on uneven terrain
Solution Approach 1:
The locking collars are pre-installed in the channel trough at multiple positions before the tool is placed in the wheelbarrow. This preliminary preparation ensures that when the tool handle is inserted, it is immediately secured at multiple points along its length, preventing it from falling out during transport.
Solution Approach 2:
Different portions of the handle are secured with locking collars at specific intervals (one-third length segments). This local quality approach provides enhanced retention at critical locations while maintaining overall handle security throughout the channel.
3Length of moving object
If tool handles are fully enclosed in a long continuous channel, then handles are securely held and minimized for exposure, but the device complexity increases
Solution Approach 1:
Instead of a single long continuous channel, the handle channel is segmented into multiple one-third length sections. Each section contains a channel trough and locking collar, reducing the complexity of any single component while collectively providing full handle coverage and security.
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 solution effectively secures long-handled tools, preventing obstruction and loss by ensuring the handle is fully enclosed and firmly attached to the wheelbarrow, enhancing usability and safety.
Implementation Method 1
a deformable collar strip that subtends the collar trough, such that when the tool handle is inserted into the locking collar, the collar strip wraps around the handle so as to cradle it tightly within the collar trough
Data Source
AI summary
A tool holding device for a wheelbarrow comprises an oblong handle channel with a longitudinal trough in which a substantial length of the tool handle is seated within multiple locking collars. Each of the locking collars comprise a u-shaped collar trough subtended by a deformable collar strip. When the tool handle is inserted into the channel trough, the collar strips wrap around the handle and cradle it tightly within the trough. The handle channel is connected through a channel flange to one of the sides or the back of the wheelbarrow tub either integrally or by attachment means in the channel flange.