Ratchet Keychain Bit Holder for Compact Multi-Tool Versatility
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Solution Overview
Problem
Conventional multi-tools are cumbersome and often forgotten when carried with other items like wallets or smartphones, and their compact designs typically lack versatility due to limited moving parts and fixed metal components.
Innovation Solution
A ratchet keychain attachment with a pivotally mounted bit holder that allows the bit to be securely held in either a non-removable or removable position, featuring a ratcheting area for one-way rotation and integrated features like a carabiner, bottle opener, and wrench area, designed for compactness and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional multi-tools are designed with fixed metal components and limited moving parts to achieve compactness, then the device size is reduced, but the versatility and functionality are limited
Solution Approach 1:
The patent implements a pivotally mounted bit holder that can rotate between a first position (where the bit is held non-removably) and a second position (where the bit is removable). This dynamic mechanism allows the tool to transition between different operational states, enabling versatility while maintaining a compact form factor. The ratcheting area provides one-way rotation capability, allowing the bit holder to be positioned and locked in different orientations.
2Ease of operation
If multi-tools are carried with other items like wallets or smartphones, then the device becomes cumbersome, but the likelihood of forgetting the tool increases
Solution Approach 1:
The patent combines a ratcheting mechanism, bit holder, and carabiner attachment into a single integrated keychain device. By merging these functions into one compact unit that can be attached to keys, the tool becomes as essential and routinely carried as other personal items, ensuring both accessibility and reliability. The carabiner portion enables secure attachment to keychains, making the tool consistently available without adding bulk to everyday carry items.
3Adaptability or versatility
If the bit holder is designed to allow bit removal for versatility, then the adaptability increases, but the device complexity increases
Solution Approach 1:
The bit holder is pivotally mounted to allow rotation between a first position (bit held non-removably) and a second position (bit removable). This dynamic design provides versatility through simple rotational movement rather than complex locking mechanisms. The ratcheting area enables one-way rotation, allowing the bit holder to be positioned and secured in different orientations with minimal complexity.
Solution Approach 2:
The device is segmented into distinct functional areas: a ratcheting area with a bit receiving area, a pivotally mounted bit holder, and a carabiner portion. This segmentation allows each component to perform its specific function independently, simplifying the overall design while maintaining versatility. The bit holder can be rotated and positioned independently, and bits can be removed or inserted as needed without affecting other components.
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 ratchet keychain attachment provides a versatile, compact, and reliable toolset that can be easily attached to a keychain, ensuring the tools are always accessible while minimizing size and weight, enhancing usability and reducing the likelihood of being forgotten.
Implementation Method 1
an interference fit occurs due to a shape of the bit holder and the first aperture
Implementation Method 2
the bit receiving area only ratchets in one rotational direction
Data Source
AI summary
A ratchet keychain attachment includes a body and a ratcheting area in the body. The ratchet keychain attachment further includes a bit holder, the bit holder pivotally mounted in the body. The ratchet keychain attachment further includes a bit, removably located in the bit holder, the bit holder having a first position where the bit is held in a non-removable position in the bit holder and a second position where the bit is in a removable position.