Pre-Loaded Bicycle Frame Storage Door for Low-Wear Access
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Solution Overview
Problem
Existing bicycles lack efficient and secure mechanisms for enclosing and accessing the frame storage compartment, leading to issues such as rattling, wear, and limited accessibility.
Innovation Solution
A bicycle frame assembly with a door mechanism that includes a latching assembly allowing the door to be secured in place through lateral compression, utilizing a latching member that moves linearly to reduce friction and wear, and incorporates flexible design and pre-loading to enhance sealing and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional door mechanism is used to enclose the frame storage compartment, then the door can be secured in place, but it causes rattling and wear due to friction during operation
Solution Approach 1:
The patent replaces the traditional mechanical latching system with a magnetic latching system. The magnetic latch uses magnetic attraction forces to secure the door to the frame, eliminating the need for mechanical components that create friction and wear. This substitution maintains door security while eliminating rattling and wear problems associated with traditional mechanical hinges and latches.
Solution Approach 2:
The patent changes the fundamental parameter of the latching mechanism from mechanical contact-based holding to magnetic field-based holding. By utilizing magnetic field strength as the retaining parameter instead of mechanical friction and normal forces, the system achieves secure door closure without the harmful friction and wear that characterize mechanical systems.
2Strength
If a secure latching mechanism is implemented, then the door can be held firmly in place, but it increases friction and wear on the door components
Solution Approach 1:
The magnetic latching system replaces mechanical fastening components with magnetic attraction. The magnetic latch generates strong holding forces through magnetic fields without requiring mechanical contact between moving parts, thereby eliminating friction and wear while maintaining strong door attachment to the frame.
Solution Approach 2:
The patent utilizes the magnetic field phase or state to create the latching force. By employing magnetic attraction in the latch mechanism, the system transitions from mechanical force transmission to magnetic field-based force generation, achieving strong holding capability without the friction inherent in mechanical contact systems.
3Reliability
If the door is designed to fit tightly into the frame opening, then it provides secure enclosure, but it makes accessibility and item removal difficult
Solution Approach 1:
The magnetic latching system allows the door to maintain a tight fit within the frame opening for secure enclosure while enabling easy opening through simple magnetic field release. The magnetic latch can be easily actuated to release the door, providing convenient accessibility without compromising the secure closed position, unlike mechanical systems that require manual manipulation of latches or handles.
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
The solution provides a secure, low-friction, and easily accessible frame enclosure that reduces wear and enhances the usability of the storage compartment, allowing for larger openings and easier item removal.
Implementation Method 1
the flexible door is configured to exert an elastic spring force on the tube when coupled to the tube and received in the opening
Data Source
AI summary
A bicycle includes a front wheel, a rear wheel, and a frame assembly supported by the front wheel and the rear wheel. The frame assembly includes a tube defining an opening having a first longitudinal length. The bicycle also includes a flexible door configured to be coupled to the tube and inserted into the opening, the door having a second longitudinal length that is greater than the first longitudinal length, such that the door is configured to be deformed prior to coupling the door to the tube.