Multi-point lock segmented laminar header
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Solution Overview
Problem
Multi-point locks face challenges during transport and installation due to the large space occupation and complexity of the laminar header, leading to increased logistics costs and potential mounting errors.
Innovation Solution
The laminar header is divided into separate portions that can be accommodated side by side within the container, maintaining a constant thickness and using complementary shapes for precise coupling during assembly, reducing the risk of misalignment and simplifying the mounting process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the laminar header is kept as a single integrated component, then the structural integrity and simplicity of the multi-point lock is maintained, but the space occupation during transport increases significantly
Solution Approach 1:
The laminar header is divided into multiple separate portions (first portion, second portion, third portion) that can be stored independently or in a collapsed configuration. This segmentation allows the header components to occupy less space during transport while maintaining their functional integrity when assembled on the door.
2Volume of moving object
If the laminar header is made thinner to reduce space occupation, then the transport efficiency improves, but the compatibility with standard door profiles is compromised
Solution Approach 1:
The header portions are designed to extend in the longitudinal direction along the door profile rather than requiring thinness in the lateral dimension. By distributing the header's functional length across multiple segments that can be arranged sequentially, the design achieves compatibility with standard door profiles while maintaining a compact cross-sectional footprint for efficient packaging.
3Ease of operation
If the lock components are pre-assembled to simplify installation, then the mounting process is simplified, but the space occupation and logistics costs increase
Solution Approach 1:
The header is segmented into multiple portions that can be packaged in a compact, space-efficient manner. These portions are designed with coupling mechanisms that enable straightforward assembly during installation, thus maintaining ease of operation while significantly reducing transport volume requirements.
4Manufacturing precision
If the header portions are designed with complementary shapes for precise coupling, then the mounting precision and error reduction improve, but the manufacturing complexity increases
Solution Approach 1:
The header portions feature asymmetric coupling surfaces with complementary geometries (e.g., protrusions and recesses) that guide precise alignment during assembly. This asymmetric design ensures correct positioning and reduces mounting errors while using standard manufacturing techniques to create the coupling features.
Data Source
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AI summary
A multi-point lock (1) that comprises a lock (2) and at least one auxiliary closure element (3); the lock (1) is provided with a box-like body (4) provided with means for moving at least one component that is preferably selected from a spring latch (5), at least one sliding latch (6) and at least one actuation rod (7) for external fittings; the auxiliary closure element (3) comprises a shell (8) for accommodating actuators of a respective sliding latch (9), which are controlled by a respective rod (7) for actuating the lock (2); the lock (2) and the at least one auxiliary closure element (3) are stably coupled to a respective laminar header (10); the laminar header (10) is constituted by at least two separate portions (11 and 12), the mutually facing ends (13) of these portions (11 and 12) are adjacent substantially without play; the portions (11 and 12) are provided with means of stable coupling (14) to the lock (2) and to the at least one auxiliary closure element (3).