Torque-Limited Clutch Assembly for Connector-Safe Module Seating
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Solution Overview
Problem
The challenge in modular computer systems is the risk of damage to connectors due to excessive installation force and the difficulty in determining proper seating of electronic modules, exacerbated by the potential for overtightening and subsequent loosening issues.
Innovation Solution
A torque-limited installation and removal device with a built-in clutch assembly that automatically limits torque to a predefined threshold and includes a visual indicator, ensuring proper seating and preventing overtightening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If considerable installation force is applied to seat the electronic module, then proper seating is achieved, but connector damage may occur
Solution Approach 1:
The device incorporates a torque sensor that provides real-time feedback on the installation force being applied. When the torque reaches a predetermined threshold indicating proper seating, the sensor triggers an indicator to signal the user to stop applying force, thus achieving reliable seating while preventing connector damage from excessive force
Solution Approach 2:
The patent replaces manual force estimation with an automated torque sensing system. The torque sensor electronically measures the installation force and controls an indicator mechanism, substituting the mechanical trial-and-error process with a precise sensor-based control system that automatically prevents over-tightening
2Reliability
If torque is increased to ensure proper installation, then seating reliability improves, but overtightening and subsequent loosening issues arise
Solution Approach 1:
The torque sensor provides continuous feedback during the installation process, allowing the system to identify the precise point of proper seating. The indicator signals when the predetermined torque threshold is reached, enabling the user to stop at the optimal point and avoid overtightening that would compromise connector stability
Solution Approach 2:
The device pre-establishes the correct torque threshold before installation begins. By programming the torque sensor with the predetermined threshold value, the system is prepared to automatically signal the optimal stopping point, preventing the need to exceed recommended torque and subsequent loosening problems
3Device complexity
If manual installation process is used, then device simplicity is maintained, but determination of proper seating becomes difficult
Solution Approach 1:
The patent replaces the manual visual inspection process with an electronic torque sensing system. The torque sensor automatically measures installation force and triggers an indicator, substituting subjective human judgment with objective sensor-based detection that clearly signals when proper seating is achieved
Solution Approach 2:
The device uses visual color indicators (such as LED lights or color-coded displays) to communicate the seating status. When the torque sensor detects the predetermined threshold, the indicator changes state (e.g., lights up or changes color), providing an immediate and unambiguous visual signal that proper seating has been achieved, making detection simple and reliable
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 device effectively prevents connector damage by limiting torque, provides visual confirmation of proper installation, and simplifies the process of determining module seating, enhancing reliability and efficiency in modular systems.
Implementation Method 1
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Data Source
Figure 1
Figure 2~2A
Figure 3
AI summary
In one embodiment a device for tightening and loosening a securing device is provided. The device includes a housing, a shaft, and a clutch assembly. In one embodiment, the clutch assembly includes a clutch activation member, a first friction member coupled to the clutch activation member, and a second friction member coupled to the shaft. When the clutch activation member is in a first position, the clutch activation member engages the first friction member with the second friction member for transmission of torque from the first friction member to the second friction member. When the clutch activation member is in the second position, the clutch activation member disengages the first friction member from the second friction member to prevent transmission of the torque from the first friction member to the second friction member.