Yard Stake Driver Mechanism for Reducing Installation Force
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Solution Overview
Problem
Existing yard stakes are difficult to install and remove, especially in tough terrain, requiring significant user effort and potentially leading to strain or injury.
Innovation Solution
The yard stake design includes a driver slidably disposed between two stoppers on the rod, allowing users to apply force upward or downward to facilitate installation and removal with reduced effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a yard stake is installed directly into tough terrain without assistance, then the installation can be completed, but significant user force is required which causes strain and potential injury
Solution Approach 1:
The patent introduces a driver tool as an intermediary device between the user and the yard stake. The driver includes a handle and a driving end that contacts the stake, allowing the user to apply force through the driver rather than directly to the stake. This intermediary mechanism provides mechanical advantage and reduces the strain on the user's hands and arms during installation and removal operations.
Solution Approach 2:
The driver extends the operational dimension by providing a longer lever arm through its handle. The user applies force at the handle end, which is positioned farther from the point of contact with the ground, creating a longer moment arm. This dimensional extension allows the user to generate greater torque with less applied force, reducing strain and making operation easier.
2Productivity
If multiple yard stakes need to be installed in tough terrain, then the decorating task can be completed, but the cumulative strain and risk of injury increase significantly
Solution Approach 1:
The driver is designed to remain with the yard stake set during installation. The stake includes a receiving structure that accommodates the driver, allowing the driver to be stored on the stake itself. This self-service arrangement eliminates the need for the user to carry the driver between multiple installation locations, reducing fatigue and making the process of installing multiple stakes more efficient and less hazardous.
3Ease of operation
If the driver is made longer to provide more leverage, then user strain is reduced, but the driver may interfere with the stoppers that limit stake movement
Solution Approach 1:
The driver is designed with a length that allows it to be positioned between the stoppers when the stake is in its installed position. The driver can be inserted into the receiving structure on the stake and positioned at different depths. When the stake is fully installed, the driver sits between the stoppers, providing leverage for removal operations without interfering with the stoppers' ability to limit excessive stake movement during normal use.
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 driver mechanism reduces the strain on users by minimizing the force needed to install or remove the yard stake, making the process easier and safer, especially in challenging terrains.
Implementation Method 1
The driver is slidably disposed around the rod between the first stopper and the second stopper
Data Source
AI summary
A yard stake, having a rod, a first and second stopper, and a driver. The rod has a first end and a second end opposite the first end. The first end includes a frame configured to receive an external object. The stopper is disposed on the rod. The driver is slidably disposed around the rod between the first and second stopper. The driver has a length and the rod has a length between the first and second stopper. The length of the driver is less than the length of the rod between the first and second stopper.