Hidden-Shackle Padlock Hasp Assembly with Shield Wall
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Solution Overview
Problem
Current hidden-shackle padlocks are susceptible to tampering through methods like grinding and drilling, which allow access to the shackle and compromise the mounting hardware, leading to potential theft and vandalism.
Innovation Solution
The proposed hasp assembly includes hasp brackets with a mounting plate and a shield wall that protects the mounting hardware and a cover plate that shields the padlock, preventing tampering by encasing the padlock and hardware within the shielded periphery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the padlock and mounting hardware are exposed, then ease of operation and installation is improved, but susceptibility to tampering increases
Solution Approach 1:
The patent implements nesting by placing the padlock inside a housing that is mounted within the hasp brackets. The housing contains the padlock body and keyhole, while the hasp brackets provide an outer protective layer. This nested arrangement allows the padlock to be operated through the keyhole while being protected from tampering by the surrounding housing and shield walls.
Solution Approach 2:
The patent introduces intermediary protective elements between the padlock and potential tampering threats. The housing acts as an intermediary that shields the padlock body, while the shield walls serve as intermediaries that protect the mounting hardware. These intermediary structures allow operation while blocking direct access for tampering.
2Object-affected harmful factors
If shield walls and cover plates are added to protect mounting hardware and padlock, then resistance to tampering is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple protective functions into integrated structures. The hasp brackets combine mounting functionality with protective shield walls. The housing merges padlock containment with additional shielding features. This consolidation provides comprehensive protection while reducing the number of separate components compared to alternative designs with distinct protective elements for each vulnerability.
Data Source
AI summary
A hasp bracket may include a shield wall and a mounting plate orthogonal to the shield wall. The mounting plate may include a bolt aperture member extending from an inward edge of the mounting plate. The mounting plate may include one or more apertures in a surface of the mounting plate. The one or more apertures may be located in an area bounded by the shield wall and the inward edge of the mounting plate.