Stroller Wheel Ski Attachment Using Tire Compression Locking
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Solution Overview
Problem
Existing stroller accessories for snow-covered ground are cumbersome, time-consuming to install, and inefficient, either requiring complex mechanical manipulation or heavy, expensive components that are difficult to store and transport.
Innovation Solution
A sliding accessory for strollers that attaches to the wheel using the elastic compression of the tire, allowing instant and tool-free attachment and detachment, ensuring reliable and safe operation on snow-covered ground without altering the stroller's suspension system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex mechanical elements (jaws, straps, hooks) are used to attach the sliding accessory to the wheel, then the attachment security is improved, but the ease of operation deteriorates due to time-consuming manipulation and tool requirements
Solution Approach 1:
The tire's elasticity enables self-service attachment: when the sliding accessory is placed against the wheel, the tire automatically compresses between the wheel and the accessory's pressing surface, creating friction-based retention without requiring user manipulation of mechanical fasteners or tools
Solution Approach 2:
The invention replaces complex mechanical fastening systems (jaws, straps, hooks) with a friction-based retention system that utilizes the tire's elastic properties, eliminating the need for mechanical elements and tool-based manipulation
2Reliability
If heavy and expensive sliding devices are used to replace front wheels, then the snow sliding performance is improved, but the weight and storage difficulty increase
Solution Approach 1:
The sliding accessory is designed as a separate, attachable component rather than a complete wheel replacement system, allowing it to be detached and stored independently when not in use, reducing the weight burden on the stroller during non-snow conditions
Solution Approach 2:
The sliding accessory uses simple, lightweight materials (baseplate with snow sliding face and shoe) rather than heavy, expensive wheel assemblies, providing adequate snow sliding performance without excessive weight or storage complexity
3Reliability
If the sliding accessory requires holding the stroller high up from the ground for installation, then the attachment can be secured, but the ease of operation deteriorates and safety risks increase when the stroller is loaded with a child
Solution Approach 1:
The attachment process is self-service in nature: the sliding accessory automatically retains itself to the wheel through friction generated by tire compression, eliminating the need for the user to manually hold or position the stroller during installation
Solution Approach 2:
The sliding accessory is designed to be pre-positioned against the wheel in the correct orientation, allowing the tire compression mechanism to automatically engage and secure it without requiring the user to perform complex manipulation or hold the stroller in an elevated position
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 simple, effective, and practical means to switch between operational and inoperative configurations, ensuring efficient and safe stroller movement on snow-covered and snow-free ground, with easy and instantaneous handling.
Implementation Method 1
the tire being elastically compressed by the reliefs according to the third axis during the transition of the sliding accessory between the operational and inoperative configurations
Data Source
AI summary
This sliding accessory includes an elongated baseplate for sliding on snow, presenting opposite sides and a shoe, removably attached to a stroller wheel. The shoe defines a housing receiving a lower wheel portion, open toward the top and fixedly delimited by a bottom wall, and by two parallel side walls facing one another. Each side wall has a relief projecting toward the other. The reliefs cooperate by contact with the tire so as, by relative displacement between the accessory and the wheel, to pass the accessory between an operational configuration wherein the reliefs press the tire against the bottom wall to wedge part of the tire in the lower part of the housing to secure the sliding accessory to the wheel, and an inoperative configuration wherein the accessory disengages from the wheel, the tire being elastically compressed by the reliefs as the accessory passes between the two configurations.