Universal Indicator Housing for Motor-Driven Screwdrivers
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Solution Overview
Problem
The existing methods for adding an information indicating function to a motor-driven screwdriver are complex and labor-intensive, making it difficult to retrofit such a function easily onto various screwdrivers.
Innovation Solution
A motor-driven screwdriver operation information indicator that includes a supporting and securing member, an indicator housing with a securing part, an indication control circuit, and an operation information indicating part, allowing the indicator to be securely attached to the screwdriver housing without requiring a custom indicator for each screwdriver configuration, enabling easy retrofitting across different screwdriver models.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a custom indicator is manufactured for each motor-driven screwdriver model, then the indicator can be securely fitted and provide accurate operation information, but the device complexity and manufacturing cost increase significantly
Solution Approach 1:
The patent creates a universal indicator housing design that can be retrofitted to multiple motor-driven screwdriver models without requiring custom indicators for each model. The standardized indicator housing with universal securing mechanism allows one design to serve multiple functions across different screwdriver types, eliminating the need for model-specific customization while maintaining secure fitting and reliable operation information display
2Reliability
If the indicator is securely fixed to the screwdriver housing, then operation information can be reliably displayed, but dust and water may ingress through gaps between components
Solution Approach 1:
The patent employs sealing structures between the indicator housing and screwdriver housing that prevent dust and water ingress while maintaining secure fixation. The sealing mechanism creates a protective barrier that blocks harmful factors from entering the indicator components, ensuring reliable operation information display without compromising display stability
3Adaptability or versatility
If a standardized indicator housing is used for multiple screwdriver models, then the retrofitting process becomes simpler and more versatile, but securing mechanisms may not fit all model variations perfectly
Solution Approach 1:
The patent divides the securing mechanism into modular components that can be selectively assembled or adjusted to accommodate different screwdriver model variations. This segmentation allows the standardized indicator housing to be adapted to various models while maintaining secure fixation, balancing versatility with fitting precision through configurable securing elements
Data Source
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AI summary
[Technical Problem] Provided is a motor-driven screwdriver operation information indicator retrofittable to various existing motor-driven screwdrivers by an easy operation. [Solution to Problem] A motor-driven screwdriver operation information indicator (50) is retrofittable to a motor-driven screwdriver (10) to indicate information related to an operation of the motor-driven screwdriver (10). An indicator housing (58) of the operation information indicator (50) is secured to a supporting and securing member (52) configured to be secured to an outer peripheral surface (18) of a screwdriver housing (12) of the motor-driven screwdriver (10), thereby holding the indicator housing (58) at a rear position of a rear end portion (14) of the motor-driven screwdriver (10). An indication control circuit (78) disposed in the indicator housing (58) is connected to at least one of a motor-driven screwdriver drive control circuit (22) and an external control circuit to receive a signal from the circuit connected thereto. The indication control circuit (78) transmits a signal related to an operation of the motor-driven screwdriver (10) on the basis of the received signal and indicates information related to the operation of the motor-driven screwdriver 10 on an operation information indicating part (68).