Pivoting Cable Connection for Electronic Device Fatigue Resistance
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Solution Overview
Problem
Electronic systems connected by electrical cables, such as payment card readers, experience rapid cable deterioration due to repeated tensile and bending forces during handling, and their design is hindered by the need for large rear dimensions to accommodate cable connections, which contradicts the trend of minimizing size for easier handling.
Innovation Solution
The integration of a pivoting connection device within the electric cable, secured to the housing with cylindrical shafts and bearings, allows the cable to pivot relative to the system, reducing deformation and forces applied during manipulation, and enables the cable to be positioned closer to the rear cover, minimizing the system's size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cable is rigidly connected to the housing, then the connection is stable, but the cable suffers rapid deterioration due to repeated tensile and bending forces during handling
Solution Approach 1:
The patent applies the dynamics principle by introducing a pivoting connection device that allows the cable to rotate relative to the housing. This dynamic connection enables the cable to move with the housing during handling operations, transforming the rigid static connection into a flexible dynamic one. The pivoting mechanism absorbs tensile and bending forces through rotational movement, preventing cable deterioration while maintaining stable electrical connection.
2Ease of manufacture
If the connection terminal is placed at the rear face of the housing, then the cable connection is simplified, but the housing dimensions increase significantly
Solution Approach 1:
The patent applies the nesting principle by integrating the pivoting connection device within the housing structure. The connection terminal and pivoting mechanism are nested inside the housing, with the cable passing through the housing wall to connect externally. This nested arrangement allows the cable connection to be simplified while keeping the housing dimensions compact, as the connection components are contained within the existing housing volume rather than extending it.
3Ease of operation
If the cable is positioned far from the protective cover, then the cover opening is facilitated, but the housing dimensions increase
Solution Approach 1:
The pivoting connection device enables the cable to dynamically adjust its position during cover opening operations. When the protective cover is opened, the cable can rotate at the pivoting connection point, allowing the cover to open fully without the cable interfering. This dynamic capability eliminates the need to position the cable far from the cover, maintaining compact housing dimensions while ensuring ease of cover opening.
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
This solution reduces cable wear and the size of the electronic system by allowing the cable to pivot, thereby minimizing forces applied during handling and enabling a more compact design without interfering with the opening of protective covers.
Implementation Method 1
a device for mechanically connecting the electric cable to the casing, integral with the electric cable and connected to the casing according to at least one pivoting connection
Implementation Method 2
secured to the housing with cylindrical shafts and bearings
Data Source
Figure 1
Figure 2~5
Figure 6
AI summary
The system has a case (6) comprising lateral faces (9, 10) that connect lateral edges of an inner face (7) to lateral edges of an upper face (8). A set of connection terminals (14-16, 74) are formed at the level of the case, and a set of electric cables (20, 22, 24, 72) has ends electrically connected to the connection terminals. Two connection devices (30, 70) connecting the electrical cables to the case are integrated to the cables and are connected to the case according to a pivotal connection. An independent claim is also included for a set of electrical cables connected to an electronic system.