Motorcycle Case Anti-Theft Lock Merging Release Controls
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Solution Overview
Problem
Existing motorcycle transport cases require successive operations of multiple release control elements to detach and open, making the process inconvenient and potentially inefficient for anti-theft purposes.
Innovation Solution
A key-operated anti-theft device with a lock housing and latch mechanism that allows the case releasably retaining member to move between retaining and releasing positions, enabling convenient detachment and opening by turning a lock shaft between latched and unlatched positions, utilizing a tubular mount, base wall, and latch unit for secure engagement and disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple release control elements are used to secure the case, then security against theft is improved, but the complexity of operation increases and convenience deteriorates
Solution Approach 1:
The patent combines multiple release control elements (first release control element on the lid part and second release control element on the base part) into a single integrated locking system. When either control element is actuated, both the latch mechanism and retaining mechanism are simultaneously released through the interconnected locking members, allowing the case to be opened with a single operation rather than requiring successive operations of multiple controls.
Solution Approach 2:
The locking members are designed to perform multiple functions: they simultaneously control both the latch mechanism (for securing the lid) and the retaining mechanism (for securing the base). This multi-functionality allows a single actuation to release both security features, improving operational convenience while maintaining reliable security.
2Reliability
If multiple release control elements are used to secure the case, then security against theft is improved, but the device complexity increases
Solution Approach 1:
The patent merges the control functions of multiple release elements into a unified system where the first and second release control elements are interconnected through locking members. This integration reduces the overall system complexity by eliminating the need for separate, independent control mechanisms while maintaining the security benefits of multiple control points.
Solution Approach 2:
The locking members serve as intermediary elements that connect the first and second release control elements to both the latch and retaining mechanisms. These intermediaries simplify the system architecture by providing a common control interface that simultaneously manages multiple security functions, reducing the complexity of direct connections between each control element and each mechanism.
3Reliability
If successive operations are required to open the case, then security is improved, but the time required for operation increases
Solution Approach 1:
The patent combines the sequential operation requirements into a single simultaneous action. By interconnecting the first and second release control elements through the locking members, actuating either control element simultaneously releases both the latch and retaining mechanisms, reducing the total operation time from multiple sequential steps to a single action while preserving security.
Solution Approach 2:
The locking members are pre-configured to simultaneously control both the latch and retaining mechanisms. This preliminary arrangement ensures that when a release control element is actuated, both security features are released in a single coordinated motion, eliminating the time loss associated with successive operations while maintaining the security benefit of dual control elements.
Data Source
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AI summary
An anti-theft device for closing and locking a case (2) on a support (201) of a motorcycle includes a case releasably retaining member (241) mounted on a shell (21) of the case (2) to be longitudinally displaceable to retain or release the case (2) to or from the support (201), and a key-operated lock (41) turnable about a longitudinally oriented rotary axis (X) to be guarded against or set free from a longitudinal movement to press the case releasably retaining member (241) or a hook lever (234). By rotating and pressing the lock (41), the case (2) can be removed from the support (201) and displaced to an open position.