Removable Bird Feeder Base with Spring-Lock Mechanism
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Solution Overview
Problem
Tubular bird feeders face maintenance challenges due to feed accumulation and difficulty in cleaning, as the bases are often permanently secured, requiring tools for removal and leading to dirty and inaccessible feed.
Innovation Solution
A removable base for tubular bird feeders secured by spring-biased pins and lock eye apertures, allowing easy detachment without tools, facilitating cleaning and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the base is permanently secured to the bottom of the feeder, then the feeder structure is stable and secure, but the base cannot be removed for cleaning
Solution Approach 1:
The base is divided into separate components: a base member and a locking mechanism with pins that can be independently engaged or disengaged. This segmentation allows the base to be securely attached during operation but easily removed for cleaning by simply manipulating the locking pins.
Solution Approach 2:
The locking mechanism transitions from a static permanent attachment to a dynamic removable connection. The spring-biased pins can be pushed inward to release the base from the tubular body, allowing easy removal while maintaining stability when locked.
2Ease of operation
If threaded fasteners are used to secure the base, then the base is firmly attached, but tools are required for removal
Solution Approach 1:
The complex threaded fastening mechanism is extracted and replaced with a simpler spring-biased pin system. The pins are pushed inward by finger pressure to release the base, eliminating the need for tools while maintaining secure attachment when locked.
Solution Approach 2:
The locking mechanism is designed to be self-operating through spring bias. The pins automatically engage when the base is inserted and can be released by simple manual manipulation, making the system self-sufficient without requiring external tools.
3Productivity
If the base is permanently secured, then feed access is restricted, but cleaning becomes difficult and less frequent
Solution Approach 1:
The base is designed to be easily removable before cleaning is needed. The spring-biased locking pins can be pushed inward to release the base, allowing quick access for cleaning without requiring tool removal or complex disassembly procedures.
Solution Approach 2:
The base can be quickly removed for cleaning and then reattached by simply guiding the tubular body over the locking pins. This easy discard-and-recover process encourages regular maintenance by making cleaning a simple task rather than a burdensome one.
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
Enables quick and tool-free removal of the base for easy access and cleaning, preventing feed from becoming packed and dirty, thus maintaining feeder hygiene and encouraging regular maintenance.
Implementation Method 1
a spring-biased pin that communicates with an aperture through the wall of the tubular body member
Data Source
AI summary
A bird feeder has a tubular body member having an open bottom end. A base member interfittingly engages the bottom end of the tubular body member The base member is releasably secured to the tubular body member by the engagement of a spring-biased pin that communicates with an aperture through the wall of the tubular body member. Preferably, there are two spring-biased locking pins on opposing sides of the feeder with corresponding lock eye apertures. User manipulatable buttons, which are mechanically linked to the locking pins, are depressed to cause the locking pins to retract to permit releasable attachment of the tubular body member of the feeder thereon enabling easy access to the interior of the feeder.