Spring-Loaded Plug Accessory for Hands-Free Tool Attachment

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Solution Overview

Problem

Existing maintenance and construction tools often require additional accessories that monopolize the user's hands, making it difficult to perform tasks and necessitate frequent adjustments due to movement or repositioning of the object being worked upon.

Innovation Solution

Development of accessories that can transiently connect to vises and supports, featuring a plug body with a keyed connection piece and a spring-loaded locking mechanism, allowing for secure attachment and repositioning without requiring user hands.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If accessories are placed or attached to nearby devices or surfaces, then accessories can be positioned for use, but user movement or adjustment necessitates frequent re-adjustment of the accessory

Engineering Contradiction:
Improvehands-free operationVSAvoidtime spent re-adjusting accessories
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The accessory is designed to attach directly to the working device itself, allowing the device to serve as its own mounting surface. This eliminates the need for external supports or surfaces, and the accessory moves automatically with the device, preventing the need for re-adjustment when the user or device moves.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The accessory and working device are merged into a single integrated system through direct attachment. The accessory becomes part of the device assembly, so when the device is repositioned, the accessory repositions automatically without requiring separate adjustment actions.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If complementary accessories are required to aid with maintenance, then task capability is enhanced, but user hands are monopolized making it difficult to complete work

Engineering Contradiction:
Improvetask capabilityVSAvoidhands availability
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The working device is designed with a universal attachment interface (receiving adapter with keyed connection piece) that can accommodate multiple different types of accessories. This allows the device to perform various maintenance tasks with different accessories while keeping the user's hands free, as all accessories attach to the device rather than requiring hand-held operation.

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

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

Enables hands-free use of accessories by securely attaching them to vises and supports, minimizing the need for manual re-adjustment and allowing users to focus on tasks.

Implementation Method 1

a compression spring connected to the mount near the second end of the mount

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

a pivot joint positioned on the mount near the first end of the mount

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS12560400B2Accessory for working device
Publication Date: 2026.02.24 NEW REVO BRAND GROUP LLC
  • US12560400B2 patent drawing
  • US12560400B2 patent drawing
  • US12560400B2 patent drawing

AI summary

An accessory for a working device can include a plug body, an extension portion, and a tool. The plug body can have a length along a first axis and can be comprised of a keyed connection piece on a first end. The extension portion can connect on one end to a second end of the plug body and on an opposite end to the tool. The plug body can be receivable by a plug receptacle on a receiving adapter or a working device. The accessory can further include a spring-loaded locking mechanism that can be structured and configured to transiently lock the plug body to a receiving adapter or a working device.