Secure Latch Assembly with Pivoting Member for Cabinet Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing child-proof safety latches for cabinets are often difficult to install, can damage cabinet surfaces, and pose risks of finger pinching and operational complexity, while also being prone to failure and high costs.
Innovation Solution
A latch assembly with a transverse member and pivoting member that allows for easy installation and adjustment, preventing large-scale movement of cabinet components, and featuring an activator mechanism with tabs and recesses to ensure safe operation without damaging the cabinet, and an attachment assembly that secures to the cabinet without drilling or using adhesives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing safety latches are installed using traditional mounting methods, then the latch can secure the cabinet, but the cabinet surfaces become marred or damaged
Solution Approach 1:
A protective plate is introduced as an intermediary component between the latch mounting system and the cabinet surface. The protective plate distributes mounting stresses and prevents direct contact between fasteners and the cabinet finish, thereby maintaining cabinet surface integrity while ensuring reliable latch security.
Solution Approach 2:
The mounting system is segmented into separate functional components: a mounting bracket, a protective plate, and the latch mechanism itself. This segmentation allows the protective plate to specifically address surface protection while other components handle security functions, resolving the contradiction between reliability and surface protection.
2Reliability
If traditional safety latches are adjusted and installed in confined cabinet spaces, then the latch can function, but installation and adjustment become time-consuming and difficult
Solution Approach 1:
The latch mechanism incorporates movable and adjustable components that can be positioned and configured after installation. The mounting bracket includes adjustment features that allow the latch to be adapted to different cabinet configurations without requiring precise pre-positioning, significantly reducing installation time while maintaining reliable function.
Solution Approach 2:
The mounting bracket is designed with pre-formed attachment points and adjustment mechanisms that are prepared during manufacturing. This preliminary preparation eliminates the need for complex field adjustments and installations in confined spaces, reducing installation time while ensuring proper latch function.
3Ease of operation
If the latch allows the door or drawer to open slightly to activate the mechanism, then the latch can be operated, but fingers can be pinched between the door and cabinet body
Solution Approach 1:
Instead of requiring the door to open to activate the latch (which creates pinching risk), the latch is designed to activate when the door closes or is held closed. The mechanism inverts the traditional operation sequence, allowing full door opening while eliminating the dangerous intermediate position where fingers could be pinched.
Solution Approach 2:
The mechanical linkage that requires door opening for activation is replaced with a sensor-based or spring-loaded system that detects door position and activates the latch accordingly. This substitution eliminates the need for manual manipulation that creates pinching hazards while maintaining ease of operation.
4Reliability
If existing safety latches are designed to be difficult for children to operate, then child safety is improved, but the latches become complex and prone to operation failure
Solution Approach 1:
The latch mechanism uses parameter changes such as force thresholds and positional triggers rather than complex multi-step operations. The mechanism requires a specific force or position to activate, providing child safety through physical parameters rather than operational complexity, thereby reducing the risk of operation failure.
Solution Approach 2:
Complex control elements and multiple activation steps are extracted from the latch mechanism. The design relies on a single, simple activation method with clear force or position thresholds, maintaining child safety while eliminating the complexity that leads to operation failures.
Data Source
AI summary
A latch assembly (12) for use with a cabinet (10) that includes a cabinet body (14) and a moving component (16, 30C), comprises a transverse member (346) and a pivoting member (348). The transverse member (346) is selectively coupled to the cabinet body (14). The pivoting member (348) is pivotally secured to the transverse member (346). The pivoting member (348) pivots relative to the transverse member (346) between a first position in which the pivoting member (348) inhibits large scale movement of the moving component (16, 30C) relative to the cabinet body (14), and a second position in which the pivoting member (348) allows for large scale movement of the moving component (16, 30C) relative to the cabinet body (14). Additionally, a portion of the pivoting member (348) can selectively engage a portion of the transverse member (346) to selectively inhibit the pivoting member (348) from pivoting relative to the transverse member (346) and to selectively inhibit large scale movement of the moving component (16, 30C) relative to the cabinet body (14).