Joinery Frame Nut Layout for Multi-Thickness Glazing Replacement
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Solution Overview
Problem
Existing systems make it difficult to replace glazing with glass of a different thickness in joinery frames without requiring the drilling of new holes and removal of the door unit, especially when thicker glass is desired for improved sound and thermal insulation.
Innovation Solution
A window assembly with multiple sets of nuts positioned in different planes allows for easy replacement of glazing by aligning screws with nuts in a second set after removing the first pane, simplifying the process without the need for additional drilling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the glazing is fixed using a single set of nuts at a fixed position, then the structure is simple and easy to manufacture, but it becomes difficult to replace glazing with different thickness without drilling new holes and removing the door unit
Solution Approach 1:
Multiple sets of nuts are pre-positioned at different depths along the frame during manufacturing, allowing future glazing replacements to be performed without drilling new holes. The installer simply selects the appropriate nut set that matches the new glazing thickness, eliminating the need for complex field modifications.
Solution Approach 2:
The fixing system is segmented into multiple independent nut sets positioned at different locations along the frame. Each nut set can be independently selected and used, allowing the system to adapt to different glazing thicknesses while maintaining a unified overall structure.
2Reliability
If thicker glazing is installed to improve sound and thermal insulation, then the insulation performance is improved, but the replacement becomes more difficult with existing single-plane nut systems
Solution Approach 1:
The nut sets are arranged in multiple planes or depths along the frame, creating a third dimension in the fixing system. This allows the selection of different nut positions based on glazing thickness, enabling both thick glazing for better insulation and easy replacement without compromising either performance or operability.
3Ease of manufacture
If the nuts are fixed at a single position on the frame, then the manufacturing process is simple, but adapting to different glazing thicknesses requires drilling new holes
Solution Approach 1:
The frame is designed with multiple nut sets that serve universal purposes - each set can be used depending on the glazing thickness requirement. This multi-functional design allows the same frame to accommodate various glazing thicknesses without requiring frame modifications, achieving both manufacturing simplicity and adaptability.
Data Source
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AI summary
Frame for joinery comprising at least one frame (2), at least one glazing bead (4) and at least one shutter panel mounted tightly between the frame (2) and the glazing bead (4), the glazing bead (4) being fixed to the frame (2) by means of screws cooperating with nuts fixed in the frame, in which the frame (2) comprises at least a first set of nuts (E1) fixed to the frame for the mounting of a first shutter panel having a first thickness and a second set of nuts (E2) fixed to the frame for the mounting of a second shutter panel having a second thickness different from the first thickness.