Power Hand Tool Support Mount for Stable Positioning

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Solution Overview

Problem

Power hand tools can cause operator fatigue, strain, and potential injury due to their weight and vibration, leading to misalignment and uneven wear, especially when used for extended periods.

Innovation Solution

A detachable support accessory with a U-shaped housing and trunnion mechanism that stabilizes the power hand tool, allowing for adjustable positioning and reducing unwanted movements, including a clamp-locking protrusion and securing apparatuses to secure the tool to a workbench or clamp.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the operator holds and maneuvers the power hand tool for an extended period, then the tool can be positioned and operated, but operator fatigue, strain, and potential injury occur

Engineering Contradiction:

Improvetool positioning capabilityVSAvoidoperator fatigue and strain

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The support accessory acts as an intermediary device between the operator and the power hand tool. It provides mechanical support to hold the tool at various positions and angles, eliminating the need for the operator to continuously support the tool's weight and counteract vibrations during extended operation periods

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The support accessory divides the support function from the tool operation function. The support accessory handles weight support and stabilization, while the operator focuses on guiding the workpiece and controlling the tool's cutting or grinding action, separating the harmful weight-bearing task from the useful work task

Inventive Principle:

Principle #1Segmentation

2Productivity

If the operator holds the power hand tool for an extended period, then the tool can be operated continuously, but tool misalignment and uneven wear occur

Engineering Contradiction:

Improvecontinuous operation capabilityVSAvoidtool alignment and brush wear uniformity

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

Instead of the operator actively holding and positioning the tool, the support accessory passively maintains the tool's position and orientation. The tool is supported in a predetermined stable configuration, and the operator guides the workpiece to meet the tool, inverting the traditional control paradigm

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The support accessory serves as a mediator that maintains precise tool alignment and prevents unwanted movements such as tilting. It ensures the tool remains properly oriented relative to the workpiece surface, preventing uneven wear of the rotating brush while enabling continuous operation

Inventive Principle:

Principle #24Intermediary (Mediator)

3Stability of the object's composition

If the power hand tool is supported by a custom-designed support accessory, then tool stability and alignment are improved, but the accessory cannot be used with different power hand tool models

Engineering Contradiction:

Improvetool stability and alignmentVSAvoidcompatibility with different tool models

Core Design Contradiction:

Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The support accessory is designed with universal mounting features that can accommodate multiple power hand tool models. It includes adjustable mounting mechanisms and standardized attachment points that can secure various tool types, making a single support accessory suitable for different grinder, sander, and polisher models

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The support accessory incorporates dynamic adjustment capabilities, allowing the mounting positions and support angles to be modified to suit different tool weights, sizes, and operational requirements. This enables the same support accessory to adapt to various tool models while maintaining optimal stability and alignment

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20260001213A1Power hand tool mounting

Publication Date: 2026.01.01 BOYANICH JOSEPH E

AI summary

A support accessory is configured to be detachably fastened to a power hand tool having a motor housing with first and second threaded apertures. The support accessory has a U-shaped support housing, a clamp-locking protrusion, a first securing apparatus, and a second securing apparatus. The first and second securing apparatuses each has a head threaded bushing, a bushing gasket that secures the head threaded bushing in place, a bushing nut that further secures the head threaded bushing in place, and a bolt. Each head threaded bushing has a central aperture that extends from the bushing distal end to the first bushing proximal end. Some of the bushing's proximal end contacts the U-shaped support housing that surrounds an aperture positioned on each side of the U-shaped support housing. Each bolt enters a respective central aperture and secures to a respective threaded aperture.