Bowed Leaf Spring Storage Slot for Multi-Size Cartridge Alignment
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Solution Overview
Problem
Automated data storage libraries are typically designed to accommodate only one type of data storage cartridge, preventing the use of differently sized cartridges due to mechanical differences, which restricts compatibility and flexibility in data storage operations.
Innovation Solution
The design incorporates bowed leaf springs within storage slots that provide an interference fit and alignment surfaces to securely hold and align data storage cartridges of varying dimensions, allowing for the accommodation of multiple types of cartridges by compressing and positioning them correctly during insertion and withdrawal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If storage slots are designed with fixed dimensions for a specific cartridge type, then mechanical alignment and secure holding are improved, but compatibility with cartridges of differing dimensions deteriorates
Solution Approach 1:
The storage slot incorporates movable bowed leaf springs that can dynamically adjust their position and compression force. These springs are positioned at opposite side walls and can flex to accommodate cartridges of varying dimensions while maintaining secure holding and alignment through elastic deformation, thus resolving the contradiction between fixed mechanical alignment and variable cartridge compatibility
Solution Approach 2:
The bowed leaf springs change their physical state from relaxed to compressed based on the cartridge dimensions. When a cartridge is inserted, the springs compress to provide interference fit and alignment forces. This parameter change allows the same storage slot mechanism to adapt to different cartridge sizes while maintaining reliable mechanical engagement through variable compression states
2Adaptability or versatility
If storage slots are designed to accommodate multiple cartridge sizes, then compatibility is improved, but precise alignment and secure holding deteriorate
Solution Approach 1:
The bowed leaf springs provide dynamic adjustment capability, flexing to match the specific dimensions of inserted cartridges. This dynamic response ensures that regardless of cartridge size variation, the springs maintain optimal compression and alignment forces, preventing both over-compression of smaller cartridges and insufficient holding of larger ones
Solution Approach 2:
The alignment and holding forces are applied locally at specific contact points through the bowed leaf springs. The springs concentrate their elastic force at the points of contact with the cartridge, providing precise local control over alignment and secure holding, which compensates for the variations in overall cartridge dimensions
3Reliability
If bowed leaf springs provide interference fit for smallest cartridges, then secure holding of small cartridges is improved, but risk of damage to larger cartridges increases
Solution Approach 1:
The compression force parameter of the bowed leaf springs changes dynamically based on the cartridge size. When a smaller cartridge is inserted, the springs compress more to provide adequate interference fit and holding force. When a larger cartridge is inserted, the springs compress less, automatically reducing the force to prevent damage. This parameter adaptation resolves the contradiction between secure holding and damage prevention
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
This solution enables the storage and handling of data storage cartridges of different dimensions within a single automated data storage library, enhancing compatibility and operational flexibility by ensuring secure alignment and interference fit, thus allowing for the use of various types of cartridges with existing data storage drives.
Implementation Method 1
at least two bowed leaf springs positioned within an interior of the storage slot... Each bowed leaf spring is fixed at the end closest to the opening, and is supported for compression toward a data storage cartridge
Implementation Method 2
A bowed portion of each of the bowed leaf springs forms a ramp surface towards the opening and towards a corresponding opposite side wall
Data Source
AI summary
A storage slot for removably holding and aligning data storage cartridges of differing dimensions. Two bowed leaf springs are positioned within the storage slot, at two side walls and opposite from, respectively, two opposite side walls. The bowed leaf springs extend in a direction parallel to a direction of insertion and withdrawal of a data storage cartridge, and are fixed at the end closest to the opening. A bowed portion of each bowed leaf spring forms a ramp surface towards the opening and towards a corresponding opposite side wall. The bowed leaf springs are located a distance from the corresponding opposite side wall to form an interference fit with the smallest dimensioned data storage. The bowed leaf springs thus provide compression toward a data storage cartridge, to hold and align the data storage cartridge against the opposite side wall.