Interchangeable Bit Holder With Deformable Dual-Bit Retention

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Solution Overview

Problem

Existing devices for holding interchangeable tool bits often lack efficient space utilization, are overly complex, and inefficient in material usage, making them difficult to manufacture and use effectively.

Innovation Solution

An apparatus featuring a body with inner walls defining multiple bit holding spaces and a resiliently deformable bit holder that separates and deforms to securely hold interchangeable tool bits, allowing for efficient space use and easy bit changes, with a driving bit holder for rotational functionality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple tool bits are held in separate holders, then each tool bit can be securely held, but the device complexity and number of parts increases

Engineering Contradiction:

Improvesecure holding of tool bitsVSAvoidnumber of parts

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple tool bit holding functions into a single resiliently deformable bit holder that can simultaneously hold multiple tool bits in different positions (first bit holding space, second bit holding space, and driving bit holding space). This single component replaces what would traditionally require multiple separate holders, reducing device complexity while maintaining secure holding capability through the deformable nature of the bit holder.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The resiliently deformable bit holder serves multiple functions: it holds standby tool bits in storage positions, holds the active driving tool bit, and provides alignment features through its deformable structure. This multi-functional design eliminates the need for separate holders for each tool bit position, reducing the overall number of parts while ensuring reliable holding across all positions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Ease of manufacture

If traditional rigid bit holders are used, then manufacturing is simpler, but space utilization within the device is inefficient

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidspace utilization

Core Design Contradiction:

Ease of manufactureVSVolume of moving object

Solution Approach 1:

The patent employs a resiliently deformable bit holder that can dynamically adjust its shape to accommodate multiple tool bits in compact arrangements. The deformable structure allows the bit holder to conform to the spatial constraints of the device body, enabling efficient use of available space while maintaining ease of manufacture through a single elastomeric component that can be molded in various configurations.

Inventive Principle:

Principle #15Dynamics

3Adaptability or versatility

If a resiliently deformable bit holder is used, then space utilization and adaptability improve, but manufacturing precision requirements increase

Engineering Contradiction:

Improvespace efficiency and adaptabilityVSAvoiddeformability control

Core Design Contradiction:

Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent utilizes changes in the physical parameters of the elastomeric material to achieve the desired deformability. By selecting materials with specific durometer values and cross-sectional geometries, the bit holder can be manufactured with consistent deformable characteristics that provide both adaptability to different tool bit configurations and sufficient manufacturing precision through standard elastomeric molding processes.

Inventive Principle:

Principle #35Parameter changes

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

The apparatus enables efficient storage and easy switching of tool bits, providing improved space utilization, reduced manufacturing complexity, and enhanced usability by using a resiliently deformable bit holder to securely hold and align tool bits within the device.

Implementation Method 1

a resiliently deformable bit holder coupled to the body and separating the first and second bit holding spaces, the first bit holding space adjacent to and encircled by an inner surface region of the resiliently deformable bit holder and the second bit holding space adjacent to an outer surface region of the resiliently deformable bit holder, such that the inner surface region and the outer surface region of the resiliently deformable bit holder are configured to deform against the first and second interchangeable tool bits respectively, to hold the first and second interchangeable tool bits

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS11241782B1Interchangeable tool bit holder

Publication Date: 2022.02.08 PICQUIC TOOL

AI summary

An apparatus for holding interchangeable tool bits includes a body including inner walls defining first and second bit holding spaces configured to receive first and second interchangeable tool bits, a resiliently deformable bit holder coupled to the body and separating the first and second bit holding spaces, the first bit holding space adjacent to and encircled by an inner surface region of the resiliently deformable bit holder and the second bit holding space adjacent to an outer surface region of the resiliently deformable bit holder, such that the inner surface region and the outer surface region of the resiliently deformable bit holder are configured to deform against the first and second interchangeable tool bits respectively, to hold the first and second interchangeable tool bits when the first and second interchangeable tool bits are in the first and second bit holding spaces. Other apparatuses and systems are disclosed.