Adjustable Pallet Forks with Wheel-Driven Width Control
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Solution Overview
Problem
Existing pallet forks for skid steers require manual adjustment or hydraulic connections, necessitating the operator to exit the vehicle to adjust the fork width to accommodate pallets of varying dimensions, which is inefficient and inconvenient.
Innovation Solution
An adjustable pallet fork device with a frame, universal quick attach mechanism, and movable pallet forks that utilize a wheel and threaded rod mechanism to adjust the distance between forks without leaving the vehicle, allowing for easy width adjustment using the skid steer's movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual adjustment of pallet forks is used, then the forks can be adjusted to different widths, but the operator must exit the vehicle which reduces productivity
Solution Approach 1:
The pallet fork system transitions from a static fixed-width design to a dynamic adjustable-width design. The operator can now adjust the fork width while remaining in the vehicle by manipulating controls, allowing the system to adapt to different pallet dimensions without interrupting the workflow. This dynamic adjustment capability resolves the contradiction by maintaining both adaptability and productivity.
2Extent of automation
If hydraulic connections are used for fork adjustment, then automated width adjustment is achieved, but the device complexity increases
Solution Approach 1:
The patent extracts the hydraulic connection requirement from the fork adjustment system, replacing it with a simpler mechanical or manual adjustment mechanism that operates independently of complex hydraulic systems. This allows automated or semi-automated width adjustment to be achieved without the burden of hydraulic infrastructure, thereby increasing automation extent while reducing device complexity.
3Manufacturing precision
If the operator exits the vehicle to adjust forks, then precise width adjustment is possible, but time is lost which reduces productivity
Solution Approach 1:
The system incorporates preliminary action by providing pre-configured width settings or quick-adjust mechanisms that allow the operator to make precise width adjustments without exiting the vehicle. The adjustment controls are positioned within easy reach, and the mechanism is designed for rapid operation, enabling precise fork positioning to be achieved in seconds rather than minutes, thereby eliminating time loss while maintaining adjustment precision.
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 quick and efficient attachment and adjustment of pallet forks to different widths without hydraulic assistance, allowing operators to manage pallets within a jobsite from the comfort of the vehicle, enhancing operational efficiency and convenience.
Implementation Method 1
a wheel and threaded rod mechanism to adjust the distance between forks
Data Source
AI summary
An attachment device having adjustable pallet forks for attachment to a skid steer or other vehicle. The device allows a user to adjust the width of the pallet forks without exiting the skid steer or vehicle. The device includes a wheel in communication with the pallet forks wherein the wheel is aligned to be engaged with a ground surface upon manipulation of the hydraulic controls of the skid steer or vehicle allowing for movement of the wheel to equate to movement of the width of the pallet forks.