Telescopic Child Seat Support Leg With Single-Button Latch Release
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Solution Overview
Problem
Existing child safety seats with adjustable support legs require complex operation involving multiple release buttons, leading to potential confusion and improper installation due to non-uniform vehicle floor heights.
Innovation Solution
A support base with a telescopic support leg featuring sliding connections and dual locking mechanisms, where a single actuating button unlocks both sliding connections for length adjustment, simplifying the operation and ensuring proper installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple release buttons are used for adjusting the support leg, then the support leg can be adjusted to different lengths, but the operation becomes complex and confusing
Solution Approach 1:
Multiple release buttons are merged into a single integrated actuating mechanism. The patent combines the functionality of multiple separate release buttons into one actuating part that simultaneously controls multiple latches, thereby maintaining full adjustability while dramatically simplifying the user interface and operation.
Solution Approach 2:
The single actuating part serves multiple functions by simultaneously controlling multiple latches along the support leg. This multi-functional design allows one component to perform the work of what would traditionally require multiple separate controls, reducing operational complexity while preserving complete length adjustment capability.
2Adaptability or versatility
If multiple sections are used in the support leg, then the length can be adjusted to accommodate non-uniform vehicle floor heights, but multiple latches require complex operation
Solution Approach 1:
Multiple distributed latches along the support leg sections are controlled by a single integrated actuating mechanism. This merging approach maintains the multi-section structure needed for adapting to different floor heights while consolidating the control interface to a single user-friendly actuator.
Solution Approach 2:
The actuating part serves as an intermediary mechanism that translates a single user action into coordinated movement of multiple latches. This intermediary component simplifies the interaction between the user and the complex multi-latch system, making the adjustment process intuitive despite the underlying mechanical complexity.
3Adaptability or versatility
If multiple release buttons are distributed along the support leg, then each section can be independently adjusted, but user confusion increases leading to improper installation
Solution Approach 1:
Distributed release buttons across multiple sections are merged into a single centralized actuating part. This consolidation maintains the ability to adjust each section independently while eliminating the user confusion that arises from having multiple separate controls, thereby improving installation reliability.
Solution Approach 2:
The single actuating mechanism provides clear, unambiguous feedback to the user about the adjustment state. By consolidating controls, the system reduces cognitive load and potential for error, making the adjustment process more intuitive and reliable for proper installation.
Data Source
AI summary
A support base for a child safety seat includes a support leg operable to retract and expand at a bottom of the support base, an actuating part operably coupled to a first and a second latch, and an actuating button. The support leg includes multiple segments, and a first and a second sliding connection each of which respectively coupling two adjacent ones of the segments. The first latch is operable to lock and unlock the first sliding connection. The second latch is operable to lock and unlock the second sliding connection. The actuating part is operable to urge the first latch to move for unlocking the first sliding connection and to urge the second latch to move for unlocking the second sliding connection. The actuating button is assembled with the first segment adjacent to a distal end of thereof, and is operable to actuate the actuating part.