Portable Lighting Device With Flexible Arm And Recess
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Solution Overview
Problem
Existing portable lighting devices lack versatility, compactness, and stability, making them unsuitable for use in confined spaces such as motor vehicle engines or underbodies.
Innovation Solution
A portable lighting device with a flexible, rigid arm that allows the lighting head to be positioned independently of the power supply unit, featuring a recess for compact storage and a stable base for improved stability, along with a protective cap and optical element assembly for easy assembly and shock protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the arm length is made long to allow independent positioning of lighting head and power supply unit, then versatility is improved, but compactness deteriorates
Solution Approach 1:
The arm is designed to be flexible and manipulable by hand while able to retain a given shape indefinitely, allowing dynamic repositioning of the lighting head relative to the power supply unit. This flexibility enables the arm to adapt to different positioning requirements in confined spaces while maintaining a compact form when not in use.
Solution Approach 2:
The arm is designed to be received by the housing when the lighting head is in the first position, allowing the arm to be nested within the housing body. This nesting capability enables the device to achieve compact storage dimensions while still providing sufficient arm length for positioning flexibility when extended.
2Stability of the object's composition
If the arm is made rigid for stable positioning, then positioning stability is improved, but adaptability to confined spaces deteriorates
Solution Approach 1:
The arm's mechanical properties are designed to provide sufficient rigidity to maintain positioning stability while remaining flexible enough to be manipulated by hand in confined spaces. The arm can retain a given shape indefinitely when positioned, providing stability, but can be reconfigured when needed to access difficult-to-reach areas.
3Volume of moving object
If the lighting head is positioned close to the power supply unit for compact storage, then compactness is improved, but positioning versatility deteriorates
Solution Approach 1:
The articulation system with two degrees of freedom enables the lighting head to be dynamically repositioned relative to the power supply unit. The arm can be extended to at least a second position distant from the power supply unit, and the lighting head can be oriented in different directions, providing versatile positioning while maintaining compact storage when retracted.
Data Source
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AI summary
The invention relates to a lighting device (0) including a power supply housing (12), a lighting head (16) including at least one light source, a connection arm (18) having an elongated shape, the arm including a first end connected to the housing and a second end connected to the head (16) in order to mechanically connect the housing (12) and the head (16), the latter being mobile relative to the housing (12) between a first position in which the head (16) is in the vicinity of and/or connected to the power supply housing (12), and at least a second position in which the head (16) is remote and/or disconnected from the housing (12). The length of the arm (18) is lower than or equal to the largest dimension of the power supply housing (12).