Telescoping Stand Light Friction Fit for Lock-Free Extension
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Solution Overview
Problem
Existing stand lights are bulky and cumbersome, making them difficult to transport and deploy, and often require complex locking mechanisms that complicate setup and adjustment.
Innovation Solution
A portable stand light with a friction fit system using bushings and springs to maintain the extension poles in an extended position, eliminating the need for traditional locking mechanisms and allowing for easy deployment and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional locking mechanisms are used to hold extension poles, then the stand light maintains structural stability, but the device complexity increases and setup becomes more cumbersome
Solution Approach 1:
The patent removes traditional locking mechanisms (cam locks, screws, or buttons) from the extension pole system and replaces them with a friction-fit design. The bushing and spring assembly creates a self-retaining mechanism that eliminates the need for separate locking components, thereby reducing device complexity while maintaining structural stability through friction-based retention.
Solution Approach 2:
The friction-fit system with the spring-loaded bushing creates a self-retaining mechanism that automatically holds the extension pole in place without requiring external locking actions. The spring continuously applies friction force to maintain the pole's position, making the system self-sustaining and eliminating the need for user-operated locking mechanisms.
2Ease of operation
If the stand light is made more compact for portability, then ease of transport improves, but the extended height capability may be compromised
Solution Approach 1:
The stand light is divided into modular segments including a collapsible base, telescoping extension poles, and a separate light head. Each segment can be independently folded or retracted, allowing the structure to achieve a compact form for transport while maintaining the capability to extend to full height when deployed. The friction-fit mechanism enables easy assembly and disassembly of these segments.
Solution Approach 2:
The extension poles are designed to telescope within each other, with inner poles nesting inside outer poles when retracted. This nested configuration allows the maximum extended height to be achieved when needed while minimizing the overall length for portability. The friction-fit system maintains the nested arrangement during transport and enables easy deployment to full extension.
3Reliability
If complex locking mechanisms are used to secure the light head, then positioning stability improves, but the ease of adjustment deteriorates
Solution Approach 1:
The patent removes traditional locking mechanisms (cam locks, screws, or buttons) from the light head attachment system and replaces them with a friction-fit design. The bushing and spring assembly creates a self-retaining mechanism that eliminates the need for separate locking components, thereby reducing device complexity while maintaining positioning stability through friction-based retention.
Solution Approach 2:
The friction-fit system provides dynamic positioning that allows the light head to be easily adjusted by applying slight force to overcome the friction, while automatically maintaining stable positioning once adjusted. The spring-loaded bushing continuously applies friction force to hold the light head in place, enabling both ease of adjustment and positioning stability without complex locking mechanisms.
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 stand light is more compact, easier to carry, and deployable with improved shock and abrasion resistance, while maintaining extended height and functionality.
Implementation Method 1
the friction fit system for applying a force to create friction between the extension pole and the casing, thus retaining the extension pole in the extended position relative to the casing
Implementation Method 2
the spring for applying the force to the bushing to create the friction between the extension pole and the casing
Data Source
AI summary
A stand light includes a base and a light head. The light head is extendable away from the base via extension poles. The extension poles and related hardware provide improved ability for the extension poles to remain in an extended position when partially elevated.