Self-Dispensing Feeder Trigger Rod Mechanism
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Solution Overview
Problem
Existing bird feeders do not efficiently dispense feed on demand, leading to over-feeding and food waste, while also failing to stimulate natural pecking behavior and being difficult to use, clean, and adapt to various feed types.
Innovation Solution
A gravity-fed bird feeder system featuring a hopper with a conic funnel and dispensing tube, an interchangeable metering disk, and a trigger rod mechanism that allows birds to peck and grab feed from a suspended catch dish, dispensing feed only when needed and accommodating different feed types by varying aperture sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If traditional bird feeders are used, then feed is always available for birds to eat, but this leads to over-feeding and food waste
Solution Approach 1:
The feeder system is self-regulating through the trigger mechanism. Birds must actively peck at the catch dish to release feed, and the system automatically stops dispensing when the trigger is not activated. This self-service approach ensures feed is only dispensed when birds are actually feeding, eliminating waste while maintaining availability.
Solution Approach 2:
The feeder operates on a periodic basis rather than continuously. Feed is dispensed in periodic bursts triggered by bird pecking actions, rather than being continuously available. This periodic dispensing mechanism prevents over-feeding while ensuring feed is available when birds need it.
2Ease of operation
If traditional bird feeders are used, then feed is continuously available, but this fails to stimulate natural pecking behavior
Solution Approach 1:
The system requires birds to actively engage with the catch dish to receive feed. The trigger mechanism mimics natural foraging behavior, where birds must peck or grab at the dish to release feed, thereby stimulating natural pecking behavior while maintaining feed availability through active participation.
3Adaptability or versatility
If a fixed aperture size is used in the feeder, then the structure is simple, but this cannot accommodate various feed types
Solution Approach 1:
The feeder incorporates interchangeable metering disks with different aperture sizes that can be dynamically adjusted according to the type of feed being dispensed. This dynamic configuration allows the same basic feeder structure to adapt to various feed types by simply changing the disk, maintaining simplicity while achieving versatility.
Solution Approach 2:
The metering disk is segmented into multiple aperture openings that can be selectively activated or deactivated based on feed type. This segmentation allows the system to accommodate different feed particle sizes by opening specific segments, providing adaptability without requiring a completely different feeder structure for each feed type.
4Ease of operation
If the feeder requires complex assembly tools, then the structure can be more precise, but this makes it difficult to use and clean
Solution Approach 1:
The feeder is divided into modular segments that can be easily assembled and disassembled without tools. The hopper, funnel, metering disk, and catch dish are separate components that snap or interlock together, allowing for easy assembly and cleaning while maintaining sufficient structural precision for proper feed dispensing.
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 reduces over-eating and waste, stimulates natural behavior, is easy to use and clean, and securely holds feed, allowing birds to eat on demand while adapting to various feed types without tools or complex assembly.
Implementation Method 1
a feeder that dispenses feed on demand from a raised hopper onto a feed tray or catch dish that is suspended beneath the hopper, where the dispensing occurs by action of the bird or birds feeding
Data Source
AI summary
Self-dispensing poultry and small animal feeder dispenses feed from a hopper into a catch dish on demand by action of the bird pecking at the feed in the catch dish or small animal feeding at the catch dish. Interchangeable regulating disks have respective different size center apertures, and a groove seating a cross-bar of a trigger rod on which the catch dish is supported. A spade or paddle at the upper end of the trigger rod moves when the trigger rod wiggles or shifts, and this causes feed to fall through the regulator disk center aperture to replenish the feed in the catch dish.