Driveway Reflector Holder With Installation Tool And Drainage
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Solution Overview
Problem
Existing driveway reflectors face challenges such as difficulty in installation and removal, damage risk to vehicles, and issues with drainage and durability due to rigid shafts and closed-end sleeves, as well as difficulties in reinstallation after grass cutting.
Innovation Solution
A driveway reflector holder and installation tool assembly featuring a hollow sleeve body with a washer and retention features, allowing for easy insertion and removal of reflectors, with a tapered tip for drainage and a radiused corner for centering, and a blocking surface to prevent dirt entry, facilitating secure placement and easy retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid shaft is used that allows the shaft to be directly driven into the ground, then the shaft possesses sufficient column strength to be driven into the ground, but it poses a damage risk to vehicles that might strike the device
Solution Approach 1:
The device is divided into two separate components: a rigid driver tool for installation and a flexible reflector holder for permanent placement. The rigid driver shaft provides necessary strength during installation, while the flexible holder minimizes vehicle damage risk during use.
Solution Approach 2:
The rigid shaft is extracted from the final device structure and used only as a temporary installation tool. The permanent device consists only of the flexible holder, eliminating the hazard of rigid components remaining in the ground.
2Ease of operation
If short sleeves with flattened or pointed closed ends are driven into the ground, then insertion and removal of poles is allowed, but snow melt or rain water cannot drain, causing freeze splitting and deterioration of the pole ends
Solution Approach 1:
Instead of closing the sleeve ends to provide structural integrity, the invention inverts the approach by leaving both ends open. This allows water drainage while maintaining sleeve strength through the flexible material and geometric design.
Solution Approach 2:
The hollow sleeve functions as a porous structure with open ends that allow water and snow melt to pass through, preventing water accumulation and subsequent freeze-thaw damage to the pole ends.
3Reliability
If open-ended sleeves are used, then drainage is allowed, but the hole requires drilling or cement to be poured around the sleeve
Solution Approach 1:
The flexible hollow sleeve is designed to be self-installing through ground penetration without requiring pre-drilled holes or cement. The sleeve's flexibility allows it to be pushed directly into the ground, and it self-secures through friction and flexibility.
4Ease of operation
If flexible rods are used, then they can be driven into soft dirt or snow, but they can only be located in the grass close to the edge of the paved or gravel driveway edge, making grass cutting difficult and requiring reinstallation
Solution Approach 1:
The reflector holder and associated components are designed with high-visibility colors or reflective properties that make them easily locatable in grass and vegetation, eliminating the need for reinstallation after grass cutting.
Data Source
AI summary
A driveway reflector holder and installation tool assembly includes a reflector holder and an installation tool removably receivable in the reflector holder. The reflector holder includes a hollow sleeve body, a washer disposed on an upper end of the hollow sleeve body, and at least one retention feature disposed on the hollow sleeve body. The installation tool includes an elongated body, a head, and a tapered tip. The installation tool is configured to extend through the hollow sleeve body of the reflector holder with the head being positioned above the upper end of the hollow sleeve body and the tapered tip being positioned below the lower end of the hollow sleeve body. The installation tool is configured to be driven to insert the at least one reflector holder into a ground surface and then be removed from the at least one reflector holder.