Adjustable Decking Tool for Freight Support
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Solution Overview
Problem
In decking systems for vehicles, wear and corrosive environments can prevent guide shoes from moving freely on tracks and latching fingers from being easily released, making it difficult to adjust the deck height without manual force or additional tools like pry bars.
Innovation Solution
A specially configured tool with a hook-shaped tab and elongated handle allows for increased force to release latching fingers from apertures and apply a downward force to move guide shoes to desired heights, utilizing a lever mechanism to overcome the biasing spring and gravity limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual manipulation force is applied to release latching fingers from apertures, then the deck height can be adjusted, but in worn or corrosive environments the latching fingers cannot be easily released and guide shoes cannot move freely on tracks
Solution Approach 1:
A tool with a downwardly extending engagement portion is introduced as an intermediary between the operator and the latching mechanism. This tool engages the tab on the lock key and provides mechanical advantage to overcome the increased friction and corrosion effects, enabling reliable release of latching fingers in degraded environments where direct manual manipulation fails
Solution Approach 2:
The system transitions from a static manual push operation to a dynamic leveraged operation. The tool allows the operator to apply force through a rotational motion around a fulcrum point, creating a mechanical advantage that dynamically overcomes the static friction and corrosion forces preventing movement of guide shoes and release of latching fingers
2Device complexity
If gravity force is used to move guide shoes downwardly, then the system is simple, but gravity alone is not sufficient to move guide shoes when wear and corrosion increase friction
Solution Approach 1:
The adjustment mechanism transitions from relying solely on passive gravitational force to an active dynamic system. The tool provides a leveraged mechanical advantage that creates sufficient force to overcome the increased friction from wear and corrosion, enabling the guide shoes to move along the tracks when gravity alone becomes insufficient
3Ease of operation
If pry bars are used to move latching fingers out of engagement, then release is possible, but applying downward force to move guide shoes to desired height is not possible due to tab design
Solution Approach 1:
The tool is designed with a downwardly extending engagement portion that can both engage the tab on the lock key to release latching fingers and simultaneously provide a downward force on the guide shoe assembly to position it at the desired height. This multi-functional design eliminates the need for separate tools for releasing and positioning operations
Solution Approach 2:
The tool combines two previously separate functions (releasing latching fingers and positioning guide shoes) into a single integrated operation. The engagement portion is positioned to simultaneously interact with both the lock key tab and the guide shoe, merging the release and positioning actions into one tool operation
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
Enables efficient and cost-effective adjustment of deck height by allowing the use of existing tools to both release and move guide shoes, reducing manual effort and time required for height adjustments in challenging environments.
Implementation Method 1
A biasing spring provides a force to bias the lock keys towards the track and the latching fingers into engagement in the apertures
Implementation Method 2
Gravity then provides sufficient force on the guide shoes to allow the guide shoes to move downwardly to a desired height while the latching fingers are out of engagement with the apertures
Data Source
AI summary
A beam assembly is formed from a hollow beam member which has a pair of slidable channel units installed therein and extend from the opposite ends thereof. The ends of the channel units have guide shoes forming latching assemblies pivotally supported thereon, each guide shoe having a spring loaded lock key mounted pivotally mounted thereon. A pair of tracks are spaced from each other in opposing relationship by a distance equal to the longitudinal extent of the beam member. The tracks have a plurality of aligned apertures and C-shaped runners running along their longitudinal extent. The lock keys of the beam member each has a pair of latching fingers extending therefrom which fit into a pair of adjacent track apertures. The latching fingers may be locked in place in the opposing track apertures by the spring action of their associated springs and may be withdrawn from the apertures by way of a hook shaped tab attached thereon. A tool is provided to move the hook shaped tabs away from the track to release the latching fingers from engagement with the apertures in the track and, is desired to move the hook shaped tabs downwardly to move the guide shoes downwardly to a desired location on the track. The guide shoes further have T-shaped portions which engage the C-shaped runners of the tracks to retain the guide shoes on the tracks for vertical movement. A pair of the beam members may thus be raised and lowered on the track and provide support for pallets, planking or the like.