Embedded Calendar Power Tool for Maintenance and Theft Prevention

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Solution Overview

Problem

Power tools require maintenance and may be stolen or removed without authorization, necessitating a solution for efficient inventory management and theft prevention.

Innovation Solution

Incorporating an embedded calendar module in power tools to schedule critical dates for maintenance and lockout, with alerts and inoperability features, and a calendaring application to synchronize and manage tool inventories.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If power tools are kept in inventory for extended periods, then tool availability increases, but maintenance requirements increase and tools may become stolen or unauthorized

Engineering Contradiction:

Improvetool availabilityVSAvoidmaintenance compliance

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The system performs preliminary actions by setting critical dates and maintenance schedules in advance before tools are actually needed. The embedded calendar module pre-calculates and stores maintenance intervals, and the system proactively notifies users before critical dates occur, allowing preventive maintenance to be scheduled ahead of time rather than reacting to tool failures or theft.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms through alerts and notifications that inform users about upcoming maintenance requirements and critical dates. The controller monitors tool usage and automatically generates notifications, creating a closed-loop system where maintenance needs are continuously tracked and communicated back to users, ensuring compliance without requiring manual tracking.

Inventive Principle:

Principle #23Feedback

2Productivity

If manual tracking of tool maintenance is used, then device complexity is reduced, but time management and productivity decrease

Engineering Contradiction:

Improvetime managementVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The tool itself performs the tracking and management functions through its embedded calendar module and controller. The system automatically monitors its own usage, calculates maintenance intervals, sets critical dates, and generates alerts without requiring external tracking systems or manual intervention. This self-service capability eliminates the need for separate inventory management systems while improving productivity.

Inventive Principle:

Principle #25Self-service

3Reliability

If tools are made inoperable after critical date, then maintenance reliability improves, but loss of time occurs due to tool removal from inventory

Engineering Contradiction:

Improvemaintenance timingVSAvoidtool downtime

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system applies preliminary anti-action by notifying users in advance of critical dates and providing opportunities to schedule maintenance before the tool becomes inoperable. The alert system gives users head notice, allowing them to proactively arrange maintenance during convenient times rather than experiencing forced downtime when the tool suddenly becomes inoperable.

Inventive Principle:

Principle #9Preliminary anti-action

Data Source

PatentUS20250307784A1Power tool with embedded calendar

Publication Date: 2025.10.02 MILWAUKEE ELECTRIC TOOL CORP

AI summary

A power tool includes a tool housing, a motor positioned within the tool housing, and a controller coupled to the motor. The controller is configured to determine a critical date for the power tool and upload the critical date to an embedded calendar of the controller and send an alert to a user indicating when the critical date will occur, wherein the alert further includes an action associated with the critical date.