Universal Card Reader Holder with Rack and Pinion Adjustment
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Solution Overview
Problem
Existing card readers for mobile devices lack versatility in accommodating a variety of mobile devices and card readers, making it difficult to create a universal mobile point-of-sale system that is easy to use and adaptable.
Innovation Solution
A universal card reader and mobile device holder with a card reader holding component, a mobile device holding component, and an actuator mechanism that allows for adjustable positioning and secure locking of mobile devices relative to the card reader, enabling compatibility with multiple devices and readers through a rack and pinion mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed card reader holder design is used, then the structure is simple, but it cannot accommodate various sizes of mobile devices
Solution Approach 1:
The holder employs a dynamic adjustment mechanism with a movable support and extension that can slide along a guide rail. This allows the holder to adapt its configuration to accommodate different mobile device sizes while maintaining structural integrity through the guide rail constraints and positioning holes.
Solution Approach 2:
The holder is divided into distinct functional components: a fixed card reader holder portion, a movable support, and an extension. These segmented parts can independently adjust and reposition, enabling the system to accommodate various device configurations without requiring complete redesign of the entire holder structure.
2Adaptability or versatility
If an adjustable mobile device holder is implemented, then versatility is improved, but the mechanism becomes more complex
Solution Approach 1:
The holder utilizes a self-locking mechanism where gravity and friction naturally maintain the extension in its adjusted position once moved. The positioning holes and guide rail structure provide inherent stabilization without requiring additional actuators or power sources, simplifying the overall mechanism while maintaining adjustability.
3Stability of the object's composition
If a secure locking mechanism is added to hold mobile devices firmly, then positioning stability is improved, but ease of operation deteriorates
Solution Approach 1:
The design replaces complex locking mechanisms with a simpler gravity-based positioning system. The extension slides along the guide rail and is retained by positioning holes that align with gravity-assisted engagement, eliminating the need for screws, clips, or motorized locks while maintaining secure positioning.
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
Enables easy interaction and secure positioning of mobile devices with various card readers, facilitating the creation of a versatile mobile point-of-sale system that can accommodate different devices and readers, enhancing user convenience and adaptability.
Implementation Method 1
The channel may form a rack and the actuator mechanism may form a pinion.
Implementation Method 2
The upper wheel and lower wheel may include radial ridges that interlock.
Data Source
AI summary
A universal card reader and mobile device holder may be configured to house a card reader and to selectively secure a mobile device such as a smart phone adjacent to the card reader. Accordingly, the universal card reader and mobile device holder can enable a user to easily interact with the card reader and the mobile device as part of a mobile point-of-sale system.