Reversible Tip Assembly for Extension Poles
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Solution Overview
Problem
Extension poles and handle extensions face challenges in connecting to tool handles with either quick release lock mechanisms or conventional internally threaded sockets, as existing solutions lack versatility and secure attachment methods.
Innovation Solution
A reversible tip assembly with oppositely extending rod-like tips, one featuring external thread segments for threaded connections and the other with a cylindrical outer end and non-cylindrical flange for quick release mechanisms, allowing secure attachment to both extension poles and tool handles without relative rotation, using latches for secure retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single tip design is used for both quick release and threaded connections, then device complexity is reduced, but adaptability to different tool handles deteriorates
Solution Approach 1:
The tip assembly is segmented into two separate tips: a first tip with external thread segments for threaded connections and a second tip with a cylindrical outer end for quick release mechanisms. This segmentation allows each tip to be optimized for its specific connection type while maintaining overall adaptability.
Solution Approach 2:
The tip assembly body serves multiple functions by accommodating both threaded and quick release connection types through its reversible design. The assembly can be configured to connect to different tool handle types (quick release or threaded) depending on which tip is inserted, providing universal adaptability.
2Reliability
If threaded connection segments are used, then secure attachment is achieved, but ease of operation deteriorates due to complex threading operations
Solution Approach 1:
The tip assembly is designed to be reversible, allowing the user to dynamically switch between threaded and quick release connection modes by inserting different tips. This dynamic configuration enables the user to select the most convenient connection method for each specific task.
Solution Approach 2:
The tip assembly acts as an intermediary component that mediates between the extension pole and different tool handle types. By providing both threaded and quick release interface options, it simplifies the connection process while maintaining secure attachment.
3Ease of operation
If quick release lock mechanisms are used, then ease of operation is improved, but reliability deteriorates due to potential release failures
Solution Approach 1:
The tip assembly is segmented into specialized components: a first tip with external threads for threaded connections and a second tip with a cylindrical outer end for quick release mechanisms. This segmentation allows the quick release tip to be specifically designed with appropriate retention features while maintaining ease of operation.
Solution Approach 2:
Different portions of the tip assembly have different qualities optimized for their specific functions. The cylindrical outer end of the second tip is designed with specific geometric features that engage with corresponding features in the tool handle to ensure reliable retention while allowing easy release operation.
4Adaptability or versatility
If reversible tip design is implemented, then adaptability to different connection types is improved, but device complexity increases
Solution Approach 1:
The tip assembly is divided into distinct segments (first tip and second tip) with different connection capabilities. This segmentation allows for clear functional differentiation while maintaining a relatively simple overall structure that can be easily reversed between configurations.
Data Source
AI summary
A reversible tip assembly for selectively connecting an extension pole/handle extension to tool handles having either compatible quick release lock mechanisms or conventional internally threaded sockets. The tip assembly comprises a body having oppositely extending rod-like tips at opposite ends of the body. One of the tips has a plurality of circumferentially spaced axially extending external thread segments. The other tip has an end portion that is compatible with quick release lock mechanisms.