Telescopic Bicycle Seatpost with Adjustable Resting Height
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Solution Overview
Problem
Existing telescopic bicycle seatposts with fixed telescoping lengths compromise on adjustment to accommodate varying cyclist heights and frame sizes, requiring multiple seatpost lengths and sacrificing telescoping length.
Innovation Solution
A telescopic bicycle seatpost with adjustable uncompressed resting height and fixed frame insertion length, allowing maximum telescoping length adjustment for individual cyclists, eliminating the need for multiple seatpost lengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a telescopic seatpost with fixed telescoping length is used, then the seatpost structure is simple, but the telescoping length is sacrificed to accommodate varying cyclist heights and frame sizes
Solution Approach 1:
The patent applies the dynamics principle by making the seatpost length adjustable rather than fixed. The seatpost includes an adjustable mechanism that allows the telescoping length to be dynamically changed to accommodate different cyclist heights and frame sizes, resolving the contradiction between structural simplicity and length flexibility.
Solution Approach 2:
The patent changes the parameter of seatpost length from fixed to variable. By implementing an adjustable length mechanism, the seatpost can adapt its telescoping length to match different cyclist requirements, eliminating the need to sacrifice length for simplicity.
2Adaptability or versatility
If multiple seatpost lengths are manufactured to fit different cyclists, then adaptability is improved, but device complexity and manufacturing complexity increase
Solution Approach 1:
The patent applies universality by designing a single seatpost model that can serve multiple cyclists through adjustable length. Instead of manufacturing multiple fixed-length seatposts, the adjustable mechanism allows one universal design to accommodate various cyclist heights and frame sizes, reducing complexity while maintaining adaptability.
Solution Approach 2:
The dynamic adjustable mechanism enables a single seatpost to adapt to different cyclists' requirements, replacing the need for multiple static seatpost lengths. This dynamic approach reduces manufacturing complexity while maintaining versatility.
3Weight of moving object
If the outer seatpost tube is eliminated to save weight, then weight is reduced, but the structure becomes more complex requiring direct attachment to the frame
Solution Approach 1:
The patent extracts and eliminates the outer seatpost tube from the traditional telescopic structure. By removing this component, the seatpost weight is reduced, and the internal structure can be optimized. The direct attachment to the frame simplifies the overall structure while maintaining functionality.
Data Source
AI summary
A telescopic, height adjustable, bicycle seatpost with a fixed frame insertion length, but adjustable uncompressed resting height is described herein. This telescopic bicycle seatpost with adjustable height and fixed frame insertion provides a unique structure and method for setting the uncompressed resting height of a telescopic bicycle seatpost, while using a fixed insertion length into the bicycle frame. The assembly allows a single telescopic bicycle seatpost to fit on many different sizes of bicycle, for cyclists of varied height and leg length, while maximizing the telescoping length of the seatpost for each situation, without requiring various lengths of seatpost to be manufactured. Instead, the telescoping length of the seatpost may be adjusted for cyclists of different height, allowing for one seatpost to fit many size frames and cyclists, while allowing each individual to maximize the telescoping length for their particular setup.