Detachable Camera Mounting for Reusable Electric Tightening Tools

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Solution Overview

Problem

Existing electric tool systems face issues where the service life of the electric tool device is shorter than that of the camera device, leading to ineffective use of the camera device when the tool reaches the end of its service life.

Innovation Solution

An electric tool system is designed with a detachable camera device that includes a drive unit for tightening components and a camera unit for image capture, allowing both devices to be used independently and extending their lifespan by enabling replacement of individual components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the camera device is integrated into the electric tool device, then the image capturing function is available during tool operation, but the camera device becomes unusable when the tool reaches end of service life

Engineering Contradiction:
Improveusability of camera deviceVSAvoidservice life of camera device
Core Design Contradiction:
Adaptability or versatilityVSDuration of action of stationary object

Solution Approach 1:

The camera device is separated from the electric tool device, allowing them to be independently replaced. The camera device can be attached to or detached from the tool as needed, so when the tool reaches end of service life, the camera device can still be used with a different tool.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The camera device is designed to be compatible with multiple electric tool devices through standardized mounting interfaces and communication protocols, enabling it to serve multiple purposes and extend its useful life beyond a single tool's service life.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If the camera device is made detachable, then the camera device can be reused after tool replacement, but the connection stability and communication reliability may be reduced

Engineering Contradiction:
Improvereusability of camera deviceVSAvoidconnection stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The fixing unit integrates multiple functions including mechanical attachment, electrical connection, and data communication into a single integrated component, ensuring stable and reliable connection while maintaining detachability for reuse.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fixing unit acts as an intermediary between the camera device and electric tool device, providing standardized interfaces that ensure reliable mechanical and electrical connection while enabling easy attachment and detachment.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If the camera device is always attached to the electric tool device, then image capture is continuously available, but the camera device cannot be used independently when detached

Engineering Contradiction:
Improveimage capture availabilityVSAvoidindependent usability of camera device
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The system transitions from a fixed integrated design to a dynamic detachable design, where the camera device can be attached when image capture is needed and detached when not needed, providing flexibility while maintaining productivity.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12605807B2Electric tool system, electric tool device, and camera device
Publication Date: 2026.04.21 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
  • US12605807B2 patent drawing
  • US12605807B2 patent drawing
  • US12605807B2 patent drawing

AI summary

An electric tool system includes an electric tool device and a camera device. The electric tool device has a drive unit and an electric tool communication unit. The drive unit performs tightening work of tightening a tightening component to a work target. The electric tool communication unit performs communication with outside. The camera device has a fixing unit, an image capturing unit, and a camera communication unit. The fixing unit is removably attached to the electric tool device. The image capturing unit captures an image of at least the work target. The camera communication unit performs communication with the outside.