Locking Wall-Mount Cleat for Theft and Seismic Resistance
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Solution Overview
Problem
Conventional picture hanging systems using French cleats are susceptible to theft and do not adequately address seismic concerns such as earthquakes, as they can disengage and cause the picture to fall.
Innovation Solution
A positive locking hanging system featuring elongated mounting members with notches that form a locking channel, secured by a locking element, preventing upward movement and theft, and addressing seismic concerns by ensuring the panel remains attached to the wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If French cleats are used to hang a picture to a wall, then the picture can be easily mounted and removed, but the picture becomes susceptible to theft and cannot prevent accidental dropping
Solution Approach 1:
The mounting system is divided into two separate elongated members with complementary angled surfaces that can be independently mounted to the wall and picture frame, allowing easy installation and removal while maintaining security features
Solution Approach 2:
A locking element is inserted into a locking channel formed by notches in the elongated members to create a nested structure that prevents unauthorized removal while allowing controlled installation and removal by the user
2Reliability
If a locking element is added to prevent theft and seismic damage, then security is improved, but the device complexity increases
Solution Approach 1:
The locking function is extracted as a separate locking element that can be independently added to the basic French cleat system, allowing users to upgrade from simple mounting to secure mounting without redesigning the entire system
Solution Approach 2:
The locking channel formed by the notches in the elongated members serves multiple functions: it provides a pathway for the locking element, creates the secure locked position, and allows controlled installation and removal when the locking element is engaged
Data Source
AI summary
A positive locking hanging system is specifically adapted for locking a panel to a wall. The system includes a first elongated mounting member that is configured to be mountable to a wall, and a second elongated mounting member configured to be attachable to a panel. When the first elongated mounting member and the second elongated mounting member are engaged, notches in the first and second elongated mounting members are aligned to form a locking channel. A user may lock the second elongated mounting member to the first elongated mounting member (i.e., lock the panel to the wall) by inserting a locking element into the locking channel. The locking element constrains the movement of the elongated mounting members which results in the panel being locked to the wall. As a result, this may address seismic concerns such as an earthquake, and may prevent a thief from merely removing the panel from the wall when the locking element is inserted.