Disk Loading Mechanism with Integrated Link Arms
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Solution Overview
Problem
The existing disk loading apparatus is complex in configuration due to a large number of parts, which complicates the loading process and increases the risk of mechanical failures and inefficiencies.
Innovation Solution
A simplified disk loading apparatus design that reduces the number of parts by using a pair of front arms with link arms and a detection lever to synchronize the movement of slide cams, allowing for efficient disk loading and unloading while minimizing mechanical complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a link member is used to synchronize the sliding movement of slide cams, then the disk loading process can be coordinated, but the number of parts increases and the configuration becomes complicated
Solution Approach 1:
The patent combines the link member with one of the slide cams to form an integrated structure. The link member is no longer a separate component but is merged into the slide cam assembly, thereby synchronizing the sliding movements of both slide cams while reducing the total number of parts and simplifying the overall configuration.
Solution Approach 2:
The slide cam structure is designed to perform multiple functions: it not only guides the optical unit's vertical movement but also incorporates the link member functionality to synchronize the movement of both slide cams. This multi-functionality eliminates the need for a separate link member, reducing part count while maintaining coordination.
2Reliability
If multiple separate components are used for disk loading, then each component can be optimized for its specific function, but the overall apparatus becomes more complex and occupies more space
Solution Approach 1:
The patent merges previously separate components into integrated assemblies. The link member is combined with the slide cam, and the front arms are designed as unified structures with built-in disk gripping and pushing functionalities, reducing the number of separate parts while maintaining functional optimization.
Solution Approach 2:
The front arms are designed as multi-functional components that simultaneously perform disk gripping, loading, and pushing operations. The slide cam structure also serves multiple purposes including guiding movement and synchronizing operations, thereby reducing part count while maintaining functional reliability.
3Productivity
If a conventional disk loading mechanism with multiple parts is used, then the loading process can be thorough, but the apparatus cannot be miniaturized and space utilization is poor
Solution Approach 1:
The patent integrates multiple functions into fewer components, such as combining the link member with the slide cam and designing the front arms to perform multiple operations. This consolidation reduces the overall volume required for the loading mechanism while maintaining complete loading functionality.
Solution Approach 2:
The patent employs a nested arrangement where the optical unit is positioned within the apparatus body, and the slide cam mechanism is integrated into the existing structure. The front arms operate within the confined space by pivoting and coordinating their movements, allowing thorough loading operations in a compact configuration.
Data Source
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AI summary
A disk loading apparatus (disk apparatus) includes: a pair of front arms (31, 32) that are disposed substantially symmetrically with respect to a virtual straight line (L) extending along a loading direction of a disk and passing a substantially central position of an insertion opening (2A) of an apparatus main body and are pivotally supported at one end thereof in the proximity of the opposite ends of the insertion opening (2A) such that the other ends thereof are spaced away from each other to load the disk; and a pair of link arms (33, 34) that are disposed substantially symmetrically around the virtual straight line (L) and crossing with each other to synchronize the pivotal motions of the arms (31, 32). The link arms (33, 34) have a restricting portion (333, 343) for abutting with the disk loaded to the loaded position to restrict the movement of the disk.