Adjustable Pallet Jack Tines for Stability on Inclines
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Solution Overview
Problem
Conventional pallet transportation assemblies struggle to handle pallets with varying base configurations and increased vertical clearance, leading to ineffective weight transfer and instability when transporting taller pallets, especially on inclines.
Innovation Solution
A pallet transportation assembly featuring adjustable tines with a tine adjustment system and a vertical backing portion, including a riser that can be moved to accommodate different pallet configurations, and wheels with varying aspect ratios for enhanced stability and maneuverability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional pallet jacks with fixed tines are used, then they can handle standard pallets effectively, but they cannot accommodate pallets with varying base configurations or increased vertical clearance
Solution Approach 1:
The patent applies dynamics by making the tines adjustable in length and position through a mechanical system involving telescoping sections, hydraulic cylinders, or mechanical linkages. This allows the tines to dynamically adapt to different pallet configurations and vertical clearances while maintaining a relatively simple overall structure.
Solution Approach 2:
The patent changes the parameters of the tines by allowing their length and position to be variable rather than fixed. This enables the same pallet jack to handle different pallet types by adjusting tine parameters, thereby improving versatility without requiring multiple specialized devices.
2Adaptability or versatility
If tines are positioned at a predetermined distance from the ground for conventional pallets, then standard pallets can be engaged properly, but taller pallets cannot be engaged while keeping wheels on the ground
Solution Approach 1:
The patent makes the tine-to-ground distance dynamic rather than fixed by incorporating adjustable mechanisms that allow the tines to be positioned at different heights. This enables engagement with taller pallets while keeping the wheels on the ground, and maintains ease of operation through straightforward adjustment procedures.
Solution Approach 2:
The patent applies preliminary action by allowing the operator to adjust the tine position before engaging the pallet. This ensures that the tines are already at the correct height and position for the specific pallet being handled, making the engagement process smooth and efficient without requiring complex real-time adjustments.
3Stability of the object's composition
If conventional pallet jacks are used on inclines with taller pallets, then the pallet legs contact the incline causing dislodgement or toppling, but adjusting the system adds complexity
Solution Approach 1:
The patent applies dynamics by enabling the tines and vertical backing portion to be adjusted to different angles and positions. This allows the assembly to adapt to incline conditions, preventing pallet dislodgement or toppling by maintaining proper contact and support geometry without requiring an overly complex system.
Solution Approach 2:
The patent changes the geometric parameters of the transportation assembly by allowing the tines and backing portion to be positioned at varying angles. This enables the system to maintain stability on inclines by adjusting these parameters to match the specific operating conditions, thereby preventing pallet instability.
4Stability of the object's composition
If fixed wheel aspect ratios are used in conventional pallet jacks, then they provide adequate performance on smooth floors, but they lack enhanced stability and maneuverability on uneven terrain
Solution Approach 1:
The patent applies local quality by giving different wheels different aspect ratios based on their specific functions. The front wheels have one aspect ratio optimized for maneuverability, while the rear wheels have a different aspect ratio optimized for stability and load-bearing, thereby enhancing overall performance on uneven terrain without requiring a completely complex wheel system.
Data Source
AI summary
The present invention relates to a pallet transportation assembly comprising a first and second tine, each having a top, a bottom, a front wheel, a middle wheel, a rear wheel, and a riser; and a body coupled to the first and second tines comprising a tine adjustment system and a vertical backing portion.