Vehicular Roof Rack Bracket for Bicycle Carrier Stability
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Solution Overview
Problem
Existing vehicular roof rack systems lack a secure and stable mechanism to attach bicycle carriers to load bars, particularly for bicycles, which can lead to instability and potential equipment damage during transport.
Innovation Solution
A vehicular roof rack mounting bracket with a pair of elongate clamps configured in a V-shaped arrangement, oriented at an acute angle, which securely engages with the load bar, providing increased contact surface area and stability through a high friction surface and locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clamping devices are used to attach bicycle carriers to load bars, then the attachment mechanism is simple, but the stability and security of the attachment is insufficient
Solution Approach 1:
The mounting bracket is divided into multiple functional components: a base element that contacts the load bar, a clamp element that secures the carrier, and a fastening mechanism. This segmentation allows each component to perform its specific function optimally while maintaining overall simplicity of the attachment system.
Solution Approach 2:
The base element features a curved surface that conforms to the cylindrical shape of the load bar, maximizing contact surface area and distributing attachment forces evenly. This curvature ensures stable attachment while accommodating variations in load bar dimensions.
2Stability of the object's composition
If a secure attachment mechanism is implemented, then the stability improves, but the device complexity increases
Solution Approach 1:
The bracket employs local quality by providing enhanced contact surfaces and friction characteristics only at critical attachment points, rather than throughout the entire structure. The base element has a specially designed curved surface with increased friction properties where it contacts the load bar, while other portions maintain simple geometries.
Solution Approach 2:
The clamp element is designed with an asymmetric geometry that provides mechanical advantage in the clamping direction while maintaining a compact overall form. The asymmetric shape allows the clamp to apply concentrated force at the carrier attachment point while the distribution of material remains efficient.
3Reliability
If the contact surface area is increased to improve friction and stability, then the attachment reliability improves, but the device complexity increases
Solution Approach 1:
The base element incorporates a curved contact surface that naturally increases the area of contact with the cylindrical load bar. This curvature is achieved through a simple arc-shaped geometry rather than complex multi-surface designs, maintaining manufacturing simplicity while maximizing friction-based attachment reliability.
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 solution enhances the secure attachment and stability of bicycle carriers on vehicular roof racks, ensuring safe transportation by distributing the load more evenly and preventing movement during transit.
Implementation Method 1
providing increased contact surface area and stability through a high friction surface
Data Source
AI summary
A vehicular roof rack mounting bracket configured to be secured onto load carrier bars of different dimensions is presented. The bracket can include a pair of elongate clamps configured to be coupled to a bicycle fork anchor of a bicycle carrier. Each clamp can have a bar engagement portion configured to abut an exterior of an elongate support bar of a vehicular roof rack in a secured configuration in which each clamp is fastened to the support bar, and each of the pair of clamps can have a lengthwise oriented longitudinal axis such that each longitudinal axis is oriented at an oblique angle relative to the other longitudinal axis.