Reversible Bit Holder for Power Tool Access

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Solution Overview

Problem

Power tools often require multiple tool bits, which are typically stored remotely and need to be attached and detached from the tool, leading to inconvenience and inefficiency in accessing different bits during use.

Innovation Solution

A reversible bit holder with a mounting element that can engage different mounting structures on a power tool, including a bit holding portion with a retaining aperture to secure bits, and an adapter for compatibility with various power tools, allowing for easy attachment and storage of bits on the tool itself.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If tool bits are stored at a remote location, then storage space is available, but accessibility and convenience of switching between bits deteriorates

Engineering Contradiction:
ImproveAccessibility of tool bitsVSAvoidTime to switch between bits
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The bit holder merges the storage function and the tool holder function into a single integrated component. Multiple tool bits are stored within the bit holder, which itself attaches to the power tool, eliminating the need for separate remote storage and reducing switching time by keeping bits immediately accessible at the tool site.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Tool bits are pre-loaded into the bit holder before use, preparing them in advance for quick access. The bit holder is designed with multiple retaining apertures that can accommodate several bits simultaneously, so when one bit is used, another is already in position for immediate replacement without needing to return to remote storage.

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If multiple tool bits are attached to the power tool, then accessibility improves, but device complexity increases

Engineering Contradiction:
ImproveAccessibility of tool bitsVSAvoidStructure of bit holder system
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The bit holder is designed with a universal mounting element that can attach to different types of power tools through various mounting structures. The same bit holder design can accommodate different tool types by simply changing the mounting element or using an adapter, avoiding the need for complex tool-specific holder designs for each power tool type.

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

Solution Approach 2:

The bit holder system is segmented into modular components: a mounting element, a bit holding portion with multiple retaining apertures, and optional adapters. This segmentation allows the system to adapt to different power tool types by swapping the mounting element or adapter while keeping the main bit holding structure unchanged, reducing overall system complexity.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If a reversible bit holder is used, then adaptability to different power tools improves, but manufacturing complexity increases

Engineering Contradiction:
ImproveCompatibility with different mounting structuresVSAvoidManufacturing of reversible mounting element
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The mounting element is designed with asymmetric features that allow it to engage with different mounting structures on various power tools. The asymmetric design includes specific engagement surfaces and mounting configurations that can adapt to different tool types, enabling universal compatibility while maintaining a relatively simple manufacturing process for the mounting element itself.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS20230364771A1Accessory for power tool
Publication Date: 2023.11.16 MILWAUKEE ELECTRIC TOOL CORP
  • US20230364771A1 patent drawing
  • US20230364771A1 patent drawing
  • US20230364771A1 patent drawing

AI summary

A bit holder configured to engage a power tool. The bit holder including a mounting element and a bit holding portion. The mounting element is configured to alternately engage a first mounting structure on a first side of the power tool and a second mounting structure on a second side of the power tool. The bit holding portion includes a bit retaining aperture configured to at least partially receive a bit to secure the bit to the power tool.