Adjustable Handle Reel for String Light Installation
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Solution Overview
Problem
Existing handheld reel devices for string lights are inefficient in uninstalling lights from tall Christmas trees, requiring ladders and causing potential damage or disorderly installation due to fixed handle lengths that do not accommodate varying heights.
Innovation Solution
A handheld reel with removable and adjustable handles that can be inserted into rotating ports, allowing for handles of different lengths to facilitate comfortable and neat installation and uninstallation of string lights at heights above the user's reach without a ladder, featuring longitudinally extending members and laterally extending attachments for spooling and unspooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed-length handles are used on the reel, then the device structure is simple, but it cannot accommodate users needing to reach high positions on tall trees
Solution Approach 1:
The handle length is made variable through a telescopic mechanism with adjustable segments. Users can extend or retract the handle to different lengths by manipulating the telescopic segments, allowing adaptation to various tree heights and user reach requirements while maintaining a relatively simple overall reel structure.
Solution Approach 2:
The handle is divided into multiple telescopic segments that can be independently extended or retracted. This segmentation allows the handle to achieve variable lengths through a series of smaller mechanical components rather than requiring a completely complex adjustable mechanism, thus improving adaptability while controlling structural complexity.
2Length of moving object
If a ladder is used to reach high tree positions, then user reach is extended, but the installation process becomes more complex and time-consuming
Solution Approach 1:
The telescopic handle provides a dynamic, extendable reach mechanism that allows users to access high tree positions directly from the ground or stable positions. By extending the handle to appropriate lengths, users can install lights on tall trees without needing to set up and reposition ladders, significantly reducing installation time and procedural complexity.
3Productivity
If string lights are flung onto high tree branches, then installation speed is increased, but the lights become disordered and tree damage may occur
Solution Approach 1:
The reel with extended handle allows users to preliminarily position and guide the string lights onto the tree branches from a stable position. The extended reach enables careful, controlled placement of lights along the branches before final securing, ensuring orderly installation and preventing tree damage while maintaining efficient installation speed.
Data Source
AI summary
A handheld reel device for collecting and releasing string lights and that accommodates use of handles of variable lengths for manually rotating the reel.

