Bike Light Mounting System with Rotational Adjustment
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Solution Overview
Problem
Bicycle headlights with integrated batteries have increased in mass, leading to difficult installation and removal, as well as issues with maintaining proper alignment on the handlebars, causing a cramped rider cockpit and off-center lighting.
Innovation Solution
A mounting system comprising a socket and post with a releasable securing mechanism, allowing for rotational adjustment and easy attachment/detachment of the bike light, facilitating various positional adjustments relative to the handlebars.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the bike light uses an integrated battery configuration, then the energy density and run time are improved, but the mass of the lighthead increases several-fold making installation and removal difficult
Solution Approach 1:
The mounting system is divided into separate components: a mounting bracket attached to the handlebar, a post that interfaces with the bracket, and a socket on the light housing. This segmentation allows the heavy integrated battery light to be easily installed and removed despite its increased mass, as the modular mounting components distribute the attachment function across multiple parts.
2Device complexity
If the bike light is mounted using traditional mounting systems, then the structure is simple, but the light becomes off-center and the rider's cockpit becomes cramped
Solution Approach 1:
The mounting bracket includes a rotation mechanism that allows the post to be rotated about the post axis, and the socket includes features that allow the light to be pivoted. This dynamic adjustment capability enables the light to be positioned in various locations on the handlebar, optimizing cockpit space and achieving proper centering without requiring a complex fixed mounting structure.
3Device complexity
If the bike light is mounted using traditional mounting systems, then the components are simple, but the light rotates around the handlebar and alignment is difficult to maintain
Solution Approach 1:
The mounting system replaces traditional mechanical fastening methods with a detent-based securing mechanism. The socket includes a recess that receives a detent member on the post, and springs bias the detent member into engagement with the recess. This mechanical substitution provides positive locking that prevents rotation and maintains alignment without requiring complex fasteners or adjustment mechanisms.
Data Source
AI summary
A bicycle and light assembly has wheels, a frame support by the wheels, a bike light supported by the frame, and a mounting system coupling the bike light to the frame. The mounting system includes a socket secured to one of the frame and the bike light, a post secured to the other of the frame and the bike light, and a releasable securing mechanism that secures the post in the socket. The mounting system can further include a mounting bracket coupling the post to the frame, wherein the mounting bracket facilitates rotational adjustment of the post about the post axis. The releasable securing mechanism can include a detent member positioned in a side opening of the socket and in engagement with a recess in the socket to secure the rotational orientation of the post in the socket.