Dropper Seatpost Travel Adjustment via Nested Spacers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing dropper seatpost systems lack the ability to efficiently adjust saddle height during a ride, particularly in response to changing terrain or riding conditions, which can affect rider comfort and performance.
Innovation Solution
The dropper seatpost assembly incorporates a travel adjust system that allows for adjustable saddle height through the use of travel spacers and contact washers, enabling riders to customize their saddle height and extend the range of the dropper seatpost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length dropper seatpost is used, then the saddle height is limited to a specific range, but the rider cannot adjust saddle height for different terrain conditions
Solution Approach 1:
The dropper seatpost is divided into multiple segments including an inner post, outer post, and removable spacers. The spacers can be independently added or removed from the inner post, allowing the rider to segment the overall length and adjust the saddle height range while maintaining a relatively simple base structure.
Solution Approach 2:
The seatpost transitions from a fixed-length design to a dynamic, adjustable-length design. The spacers enable the seatpost to change its effective length based on riding conditions, making the system adaptable rather than static.
2Length of moving object
If a longer dropper seatpost is used to increase saddle height range, then the maximum saddle height increases, but the minimum saddle height may be excessive for certain conditions
Solution Approach 1:
The spacers are segmented into individual components that can be selectively added or removed. This allows precise adjustment of the seatpost's effective length, enabling the rider to optimize both maximum and minimum saddle heights by configuring the right combination of spacers.
Solution Approach 2:
The physical parameter of seatpost length is changed by adding or removing spacers. This simple parameter modification allows the same seatpost to provide different travel ranges suitable for various riding conditions without changing the overall structure.
3Adaptability or versatility
If spacers are added to adjust saddle height, then saddle height customization is improved, but the device complexity and number of parts increases
Solution Approach 1:
The spacers are designed to nest within the inner post or between structural components of the seatpost assembly. This nesting approach allows multiple adjustment components to be stored compactly within the existing structure, minimizing the increase in overall device complexity.
Solution Approach 2:
The spacers act as intermediary elements between the inner post and outer post. Rather than redesigning the entire seatpost mechanism, the spacers serve as simple mediating components that provide adjustment functionality with minimal structural intervention.
Data Source
AI summary
A dropper seatpost assembly is disclosed. The dropper seatpost assembly includes a lower post comprising a travel adjustment bore, an upper post configured to interactively operate with respect to the lower post, and a translating assembly configured to maintain an orientation of the upper post with respect to the lower post. The dropper seatpost assembly includes a first top out path with a first travel length and a second top out path, wherein the second top out path is distinct from the first top out path and wherein the second top out path provides a modified travel length different than the first travel length.