Rotating Bit Holder Storage Box for Compact Secure Retention
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Solution Overview
Problem
Conventional storage boxes for power tool bits are either too large and inconvenient to carry when increased in capacity or have designs that further increase volume, and they lack secure bit retention mechanisms.
Innovation Solution
A compact storage box design featuring a container with a semi-toroidal casing, a bit holder with radial or axial pockets, and a control device that allows rotational movement of the bit holder in and out of the container, combined with magnetic elements for secure bit retention and an elastic torsion element for rotational biasing, enabling efficient bit storage and retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the volume of the storage box is increased to increase capacity, then the number of bits that can be stored is improved, but the portability and convenience of carrying the box deteriorates
Solution Approach 1:
The bit holder is made rotatable about a vertical axis, allowing it to swing in and out of the container. This dynamic configuration enables the same physical space to accommodate more bits at different angles, increasing storage capacity without increasing the external volume of the box.
Solution Approach 2:
The invention utilizes the third dimension by allowing the bit holder to rotate vertically within the container. Bits are arranged in radial pockets that extend outward when the holder is rotated, effectively using vertical space and angular positioning to increase capacity without expanding the box's footprint.
2Reliability
If a hinged lid with keyhole is added to prevent or allow rotation, then the security of bit retention is improved, but the volume of the storage box further increases
Solution Approach 1:
The control device combines the locking mechanism and the rotational control into a single integrated component. The control device receives bits securely and simultaneously controls the rotation of the bit holder, eliminating the need for separate hinged lids and keyholes that would increase volume.
Solution Approach 2:
The control device serves multiple functions: it secures bits in the radial pockets, controls the rotation of the bit holder, and provides a compact locking mechanism. This multi-functional design achieves secure bit retention without adding the volume penalty of traditional hinged lid systems.
3Ease of operation
If bits are stored in radial pockets on a rotatable bit holder, then the accessibility and ease of retrieval is improved, but the device complexity increases
Solution Approach 1:
The bit holder is segmented into multiple radial pockets, each capable of holding a bit. This segmentation allows bits to be easily accessed by rotating the holder to position the desired pocket at the access point, improving retrieval convenience while keeping each individual pocket simple in structure.
Solution Approach 2:
The elastic torsion element automatically biases the bit holder to swing out of the container, presenting bits for easy access. This self-service mechanism reduces the need for complex manual operations, as the system automatically positions bits for retrieval without requiring additional complex mechanisms.
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 solution provides a compact, convenient, and secure storage solution that accommodates multiple bits without increasing the box's volume, ensuring easy access and secure retention of bits through rotational movement and magnetic alignment.
Implementation Method 1
at least one magnetic element is received in the annular slot for magnetizing the bits
Implementation Method 2
an elastic torsion element disposed between the container and the bit holder
Data Source
AI summary
A storage box for storing power tool bits comprises a container, a bit holder and a control device. The container defines a compartment in which is received the bit holder along a common rotary axis. The bit holder comprises a plurality of outwardly radial pockets for receiving bits. The control device selectively disengages from the bit holder so that the bit holder is rotational about the common axis to move the bits rotationally in and out of the compartment.