Retractable Leash Harness for Child Snowboard Speed Control
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Solution Overview
Problem
Learning to snowboard is hazardous for young children due to the difficulty in controlling speed and preventing falls, leading to injuries and loss of confidence, necessitating a device that allows parents or teachers to manage a child's speed and movement safely during training.
Innovation Solution
A child snowboard harness safety and training device featuring adjustable waist and back leg straps with a retractable leash, enabling parents or teachers to control a child's speed and direction while snowboarding, preventing frequent falls and injuries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a child learns to snowboard without a control device, then the child can move freely and independently, but the parent or teacher cannot control the child's speed and movement, leading to safety hazards and injuries
Solution Approach 1:
A retractable leash serves as an intermediary control device between the parent/teacher and the child snowboarder. The leash connects to a harness worn by the child, allowing the parent to remotely control the child's speed and movement on the snowboard without direct physical contact, thereby ensuring safety while maintaining operational independence for the child.
2Reliability
If a harness device is used to control the child, then the parent can match the child's speed and prevent falls, but the device structure becomes more complex requiring multiple straps and connecting components
Solution Approach 1:
The harness device is segmented into three separate adjustable straps: a waist strap, a front leg strap, and a back leg strap. Each strap independently secures to the child's body at specific locations, distributing the control forces across different body parts. This segmentation allows the complex control function to be achieved through simple, modular strap components rather than a single complex structure.
3Adaptability or versatility
If the connecting cord is fixed in length, then the leash provides stable control, but the parent cannot adjust the distance and control range according to different training needs
Solution Approach 1:
The connecting cord incorporates a reel mechanism that allows dynamic adjustment of its effective length. The reel can be extended to increase the distance between parent and child for greater control range, or retracted to decrease the distance for more direct control. This dynamic length adjustment maintains control stability through the reel's tensioning mechanism while providing adaptability for different training scenarios.
Data Source
AI summary
The present invention relates to a snowboarding or snow skiing training and safety device for children. A child wearing the training and safety device is controlled by a trainer or a parent through a connected leash. The device includes an adjustable waist strap extending horizontally around the waist of a child, an adjustable back leg strap extending horizontally around a thigh of the back leg of the child, and a releasable and adjustable longitudinally positioned connecting strap attached to the waist strap and the back leg strap. A leash is attached to a clip fastener disposed on the connecting strap and is held by the trainer to selectively control movement, speed, and/or spacing between the child on a snowboard and the trainer trailing behind.