Bicycle Pairing Kit with Tie-Bar Steering Linkage
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Solution Overview
Problem
Existing bicycle pairing systems fail to securely align two bicycles in a side-by-side configuration, leading to independent steering and potential crashes when used together.
Innovation Solution
A kit comprising a rear angle member, seat-to-seat tube member, head-to-head tube members, and a tie-bar that attaches between chain stays, seat posts, head tubes, and forks of two bicycles to ensure parallel alignment and unified steering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing bicycle pairing systems are used, then two bicycles can be connected, but they fail to securely align and maintain parallel configuration leading to independent steering
Solution Approach 1:
The pairing system is divided into separate functional components: rear angle members that attach to chain stays, seat-to-seat tube members connecting seat posts, head-to-head tube members connecting head tubes, and tie-bars connecting forks. This segmentation allows each component to perform a specific alignment function while maintaining overall system reliability without excessive complexity.
Solution Approach 2:
The kit components are designed to be pre-installed on individual bicycles before pairing. The rear angle members, seat tube members, and head tube members are attached to each bicycle in advance, so that when the bicycles are brought together, the alignment is automatically established without requiring complex adjustment during the pairing process.
2Reliability
If existing pairing systems connect two bicycles, then they can move together, but steering remains independent causing potential crashes
Solution Approach 1:
The tie-bars connect the forks of both bicycles, merging the steering functions into a unified system. When one cyclist turns the handlebars, the tie-bar transmits this motion to the other bicycle's fork, ensuring both bicycles steer together and preventing independent steering that could lead to crashes.
Solution Approach 2:
The tie-bar acts as an intermediary mechanical linkage between the two bicycle forks. It transfers steering input from one bicycle to the other, mediating the steering control to ensure synchronized movement while maintaining ease of operation through natural handlebar input.
3Reliability
If multiple components are added to achieve secure alignment and unified steering, then reliability improves, but the kit complexity increases
Solution Approach 1:
Each component in the kit serves multiple functions: the rear angle members provide both structural support and alignment reference; the seat-to-seat tube members establish vertical alignment while also serving as mounting points; the head-to-head tube members align the front ends while providing cable routing; and the tie-bars simultaneously connect the forks and transmit steering input. This multi-functionality reduces the need for additional specialized components.
Data Source
AI summary
The kit for pairing two bicycles includes a rear angle member, a seat-to-seat tube member, a pair of head-to-head tube members, and a tie-bar. The rear angle is adapted to attach between chain stays of a first bicycle and a second bicycle. The seat-to-seat tube member is adapted to attach to seat posts of the first bicycle and the second bicycle. The pair of head-to-head tube members is adapted to extend between the head tubes of the first bicycle and the second bicycle. The tie-bar is adapted to attach to a fork of the first bicycle and the second bicycle in order to provide consistent steering when in use. When installed, the kit securely aligns the first bicycle parallel with the second bicycle such that both bicycles ride and move in unison.