Double Clamp Collar With Segmented Discs for Rotational Freedom
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Solution Overview
Problem
Existing double clamping systems with pivoting connections are complex and expensive to manufacture, limiting their widespread adoption for connecting parts that require rotational freedom.
Innovation Solution
A double clamp design featuring two clamp strips mounted on a body part with three superimposed, parallel, and coaxial discs connected by bridges, allowing for variable rotational angles without hindering the ability to rotate, and utilizing elastic bosses for secure positioning of the collar bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional pivoting connections are used to enable rotational freedom between clamp strips, then rotational capability is achieved, but manufacturing complexity and cost increase significantly
Solution Approach 1:
The body part is segmented into three superimposed surface elements (discs) connected by bridges, creating a modular structure that enables rotational freedom through geometric design rather than mechanical joints. Each disc and bridge acts as an independent structural unit that contributes to the overall rotational capability without requiring pivoting connections.
Solution Approach 2:
The invention transitions from a single-plane clamp design to a three-dimensional structure with superimposed discs spaced apart. This dimensional change allows the collar strip to rotate freely between the discs while maintaining clamping function, achieving rotational capability through spatial arrangement rather than mechanical pivots.
2Manufacturing precision
If elastic bosses are added to maintain collar strip position, then positioning accuracy improves, but device complexity increases
Solution Approach 1:
Elastic bosses are added only at specific locations on the discs where collar strip engagement is needed, rather than throughout the entire structure. This localized addition provides positioning functionality only where required, maintaining simplicity in other areas of the design.
Solution Approach 2:
The elastic material property of the bosses allows them to deform and apply variable pressure on the collar strip. This parameter change (from rigid to elastic) enables the bosses to maintain positioning accuracy while accommodating minor misalignments and reducing the need for precise mechanical tolerances.
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 provides a cost-effective and efficient method to connect parts with rotational freedom, enabling variable angle adjustments from 0° to 90° or more, while maintaining axial symmetry and secure engagement without manufacturing complexity.
Implementation Method 1
at least one of said discs comprises at least one elastic boss (in elastic material, for example of the rubber or polyurethane type), forming an intermediate element with the collar strip between the internal surfaces of two adjacent discs, each of these bosses applying slight pressure against a collar band, in order to maintain it in the free position, but without hindering its ability to rotate
Data Source
Figure 1
Figure 2~5
AI summary
The collar (1) has a body part (3) on which two collar bands (5) are mounted, and provided with three surface elements i.e. identical discs (7), which are parallel and coaxial. A central disc (7a) of the identical discs is connected to two external discs (7b) by two bridge pieces (9) between which one of the collar bands is received with freedom of rotation. The external discs are separated relative to each other by a distance slightly higher than a thickness of the received collar band. An independent claim is also included for a method for mounting a double clamp collar.