Bird Feeder Hanger with Cable Pulley for Ladder-Free Maintenance
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Solution Overview
Problem
Existing bird feeder suspension systems are often expensive, labor-intensive, and pose safety risks, especially for elderly individuals, as they require the use of ladders to reach elevated feeders for maintenance, which increases the risk of falls.
Innovation Solution
A universal bird feeder hanger system comprising a hanger cable with adjustable loops, carabiners, a pulley with an S-hook pulley hanger, and a ground screw anchor, allowing for easy vertical adjustment and safe suspension of bird feeders at a preferred height, eliminating the need for ladders during maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bird feeders are suspended high to protect from ground predators, then bird safety is improved, but maintenance becomes labor-intensive and dangerous requiring ladder use
Solution Approach 1:
The patent applies a dynamic suspension system using a pulley and cable assembly that allows the bird feeder to be easily raised and lowered between a high safe position and a low maintenance position. The system transitions from a fixed high suspension to a dynamically adjustable height system, enabling safe bird protection during operation while providing easy access during maintenance without requiring ladder use.
Solution Approach 2:
The patent introduces an intermediary mechanical system (pulley, cable, and anchor assembly) between the ground and the bird feeder. This intermediary mechanism mediates the conflict by providing a safe high position for birds while enabling easy ground-level access for maintenance through the lowering capability of the pulley system.
2Ease of operation
If bird feeders are placed close to windows for viewing, then viewing enjoyment is improved, but safety concerns about birds flying into windows arise
Solution Approach 1:
The patent uses a dynamic height-adjustable suspension system that allows the bird feeder to be positioned at an optimal height close to the window for viewing enjoyment. The ability to adjust the height dynamically enables placing the feeder in a location that maximizes viewing while the elevated position itself reduces the risk of birds flying into the window by providing a clear flight path above ground level.
3Stability of the object's composition
If traditional suspension systems are used, then bird feeder stability is improved, but cost and complexity increase
Solution Approach 1:
The patent segments the suspension system into simple, discrete components: a cable, a pulley, and a ground anchor. This segmentation creates a stable yet simple system where each component has a specific function. The cable provides tension and suspension, the pulley enables height adjustment, and the anchor secures the system to the ground, together achieving stability without excessive complexity.
Solution Approach 2:
The patent extracts the essential stabilization function from complex commercial suspension systems and implements it through a minimal set of components. By taking out only the necessary elements (cable for tension, pulley for adjustment, anchor for securing), the system achieves stability while eliminating unnecessary complexity and cost.
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 system provides a low-cost, safe, and convenient means to raise and lower bird feeders, enhancing user safety and accessibility for maintenance while allowing for optimal bird viewing from a window, reducing the risk of injuries and labor associated with traditional ladder use.
Implementation Method 1
at least one pulley having an S-hook pulley hanger
Implementation Method 2
The pulley with an S-hook pulley hanger, allowing for easy vertical adjustment
Implementation Method 3
a spiral ground anchor having opposing ends
Implementation Method 4
rotationally anchored into the ground surface
Data Source
AI summary
A universal bird feeder hanger system is a low cost cable and pulley apparatus that allows a user to easily raise and lower a birdfeeder for maintenance. A metal plastic coated cable has a loop at each end that is routed through a pulley. The proximate end attaches to a ground screw anchor via a first carabiner and the distal end attaches to a birdfeeder via a second carabiner hook. In between, the pulley is attached to a support structure such as a gutter. The birdfeeder is raised and lowered by disconnecting the proximate end from the ground screw anchor and moving toward or away from the birdfeeder.