Torque Managing Device for Tool-Less Mounting Feedback
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Solution Overview
Problem
Current mounting techniques for assemblies lack indication of complete installation, protection against torque deviations due to worn components, and require tools for proper installation and torquing.
Innovation Solution
A shaft with a torque managing device that allows independent rotation until a predetermined torque is reached, providing audible and tactile feedback for secure engagement and tool-less installation, and can be used as a carry handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threaded mounting screws or latched mounting brackets are used, then the assembly can be mounted to a rack, but there is no indication of complete installation and no protection against torque deviations
Solution Approach 1:
The torque managing device incorporates a ratchet mechanism that provides audible and tactile feedback when the predetermined torque is reached. The ratchet engages to prevent further rotation of the shaft, giving clear indication that the mounting torque has been achieved. This feedback mechanism ensures proper installation without requiring additional indication systems.
2Reliability
If threaded mounting screws or latched mounting brackets are used, then the assembly can be mounted to a rack, but tools are required for installation and torquing
Solution Approach 1:
The torque managing device is designed to automatically control the torquing process without requiring external tools or operators to apply specific torque values. The ratchet mechanism self-regulates the torque application, engaging automatically when the predetermined torque is reached. This allows any operator to properly mount the assembly without tool training or torque measurement equipment.
3Reliability
If standard mounting brackets are used, then the assembly can be secured, but there is no protection against deviations from acceptable securing tolerances caused by premature wear
Solution Approach 1:
The torque managing device pre-establishes a torque limit through its ratchet mechanism that prevents over-torquing before it can cause damage. This protective feature is built into the mounting mechanism itself, cushioning against the harmful effects of premature wear by ensuring torque never exceeds the predetermined acceptable tolerance level, regardless of component age or wear condition.
4Reliability
If a torque managing device with ratchet mechanism is used, then controlled torque and installation indication are achieved, but the device complexity increases
Solution Approach 1:
The torque managing device combines multiple functions into a single integrated mechanism: the ratchet provides both torque limitation and installation completion indication, the shaft integrates the mounting function with the torque control, and the engagement mechanism unifies the securing action. This merging of functions achieves precise torque control without requiring separate indication devices, torque measurement tools, or multiple mounting components.
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
Ensures reliable, tool-less assembly mounting with controlled torque, maintaining EMI integrity and absorbing mechanical tolerances, eliminating the need for additional securing mechanisms and providing easy adjustment of torque settings.
Implementation Method 1
the torque managing device includes a ratchet mechanism, a stator and a rotor. The rotor is mounted to the shaft for rotation about a longitudinal axis of the shaft. The ratchet mechanism includes a ratchet gear and a pawl.
Implementation Method 2
The torque managing device rotates the shaft until a predetermined torque is met, after which further rotation of the torque managing device disengages a portion of the torque managing device from the shaft
Implementation Method 3
The pawl is biased by a spring toward engagement with a tooth of the ratchet gear
Implementation Method 4
The shaft includes a threaded portion extending beyond the stator. The threaded portion is configured to engage a threaded receptacle
Data Source
AI summary
An apparatus that may be used to facilitate securing or mounting of an assembly. The device may be constructed of a shaft and a torque managing device, where the shaft has two ends, the first end having an engagement portion. The torque managing device is coupled to the second end of the shaft having a portion of the torque managing device enabled to rotate independently from the shaft when a predetermined force used on the torque managing device has been met.