Snap-Fit Sliding Guide for Fast-Moving Tabletop Assembly
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Solution Overview
Problem
Existing carriage guide systems for movably fastening tabletops to table frames are complex, complicating assembly and requiring separate devices for lateral guidance, making the process slow, difficult, and costly.
Innovation Solution
A sliding-guide element with a main body featuring a guide portion and resilient snap-fit limbs that engage under the table frame's bearing struts, allowing for simple and quick assembly by clipping onto the frame, with lateral guidance and end stop dampers for precise movement and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional carriage guide systems are used to movably fasten tabletops to table frames, then the tabletop can be moved relative to the frame, but the construction becomes complex and assembly is complicated
Solution Approach 1:
The patent combines the guidance function and fastening function into a single integrated sliding-guide element. The guide portion with lateral guide surfaces provides lateral guidance within the guide slot, while the resilient snap-fit limbs simultaneously provide the fastening mechanism by engaging under the bearing struts. This merging eliminates the need for separate guidance devices and simplifies the overall construction.
Solution Approach 2:
The sliding-guide element serves multiple functions simultaneously: it provides lateral guidance through the guide portion, secures the tabletop through the snap-fit limbs, and enables smooth movement within the guide slot. This multi-functional design replaces what would traditionally require multiple separate components, reducing both device complexity and assembly complexity.
2Productivity
If traditional carriage guide systems are used, then the tabletop can be movably fastened, but the assembly process becomes slow and difficult
Solution Approach 1:
The resilient snap-fit limbs are pre-configured in the sliding-guide element to automatically engage with the bearing struts during assembly. When the tabletop is positioned on the frame, the snap-fit limbs automatically snap into place under the bearing struts, eliminating the need for manual fastening operations and enabling quick, tool-free assembly.
Solution Approach 2:
The sliding-guide element performs self-assembly through the automatic engagement mechanism of the resilient snap-fit limbs. As the tabletop is placed on the frame, the guide portion is inserted into the guide slot and the snap-fit limbs automatically engage under the bearing struts, securing the tabletop without requiring additional assembly steps or tools.
3Reliability
If separate devices are used for lateral guidance, then the tabletop can be guided laterally on the frame, but additional components are required increasing complexity
Solution Approach 1:
The lateral guidance function is merged into the main body of the sliding-guide element through the guide portion with lateral guide surfaces. This integrated guide portion fits within the guide slot in the bearing struts, providing reliable lateral guidance without requiring separate guidance devices or additional components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables fast, simple, and economical assembly of tabletops with reliable, smooth, and precise movement, eliminating the need for additional guidance devices and ensuring secure attachment to the frame.
Implementation Method 1
arranged on mutually opposed sides of the main body of the sliding-guide element are resilient snap-fit limbs which can be moved between an under-engagement position in which they project laterally over the guide portion in order to engage under a wall of the bearing struts
Data Source
AI summary
A sliding guide element for moveable fastening a tabletop on bearing struts of a table frame comprises a main body configured to fasten to the underside of a tabletop, comprising a guiding portion configured to insert into a guide slot in bearing struts and moveable in the guide slot wherein the guide portion includes lateral guide surfaces for lateral guidance in the guide slot. The sliding guide element further includes resilient snap-fit limbs arranged on mutually opposed sides of the main body of the sliding guide element and moveable between an under-engagement position and project laterally over the guide portion to engage under a wall of the bearing struts, and an insertion position in which the snap-fit limbs guide through the guide slot in the bearing struts. The sliding guide elements still further includes a resiliently flexible end stop damper on at least one end region of the sliding-guide element.