Rotating Strap Frame Holder for Bike Carrier
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Solution Overview
Problem
Conventional bike carrier devices have complex kinematic arrangements and difficult-to-grasp actuation mechanisms, making them cumbersome to operate, especially when adapting to different bicycle frame orientations.
Innovation Solution
A device with a tensioning mechanism that can be rotated about the longitudinal axis to align with the bicycle frame, eliminating the need for a separate actuation element and allowing easy access, featuring a coupling rod for converting rotary motion into translational movement of clamping elements, and a sawtooth profile for decoupling during alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a separate actuation element is used to operate the clamping elements, then the clamping force can be effectively applied, but the device complexity increases and the operation becomes cumbersome
Solution Approach 1:
The patent combines the actuation function with the tensioning device itself. The tensioning device is designed to be rotatable about the longitudinal axis, and this rotation directly actuates the clamping elements through integrated actuating means. This merging eliminates the need for a separate actuation element, reducing device complexity while maintaining ease of operation.
Solution Approach 2:
The tensioning device serves multiple functions: it provides tensioning force to secure the bicycle frame, and simultaneously acts as the actuation mechanism for the clamping elements through its rotation. This multi-functionality reduces the overall number of components needed in the system.
2Adaptability or versatility
If the tensioning device is fixed in position, then the structure is simpler, but the adaptability to different bicycle frame orientations is reduced
Solution Approach 1:
The tensioning device is designed to be rotatable about the longitudinal axis of the base body, transforming it from a static component to a dynamic one. This rotational capability allows the device to adapt to different bicycle frame orientations while maintaining a relatively simple structural design through a single degree of freedom movement.
3Manufacturing precision
If the actuating means are complex, then the clamping position can be precisely achieved, but the ease of operation deteriorates
Solution Approach 1:
The actuating means are designed to be self-actuating through the rotation of the tensioning device. The rotational movement of the tensioning device automatically translates into the linear movement needed to position the clamping elements, eliminating the need for complex separate actuation mechanisms while maintaining precision.
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 simplifies the operation by allowing easy alignment and actuation of the clamping elements, ensuring secure attachment to various bicycle frames without increasing clamping force, and preventing unintentional release.
Implementation Method 1
A coupling rod which extends axially displaceable in the base body between the clamping device and the tensioning device and is operatively connected to the tensioning device in such a way that a rotary movement of the tensioning device can be converted into a translational movement of the coupling rod
Implementation Method 2
The coupling means comprise a guide bushing which is screwed onto the coupling rod
Data Source
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AI summary
Device (10) for connecting two objects, in particular for fixing a bicycle frame to a bike carrier (2), comprising a base body (11) defining a longitudinal axis (X), a clamping device (20) being arranged at one end region of the base body (11) in order to connect the base body (11) to a first object, in particular to a yoke (9) of a bike carrier (2), the clamping device (20) comprising at least two clamping elements (21, 22) which form between them a receptable for the first object and are movable relative to one another between an open position, in which the clamping device (20) can be attached to or removed from the first object, and a clamping position, in which the clamping device (20) engages around the first object in a fixing manner.