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Portable Stretch Ladder for Young Gymnasts: 

Sandeep Mistry
Dylan Roof
Rahul Sharma
Benjamin Reibman

(23rd Nov 2018 - 6th Dec 2018)

Design problem:

The gymnastic stretch ladder are bulky and inconvenient to carry to the gym facility and thus there is a necessity to make a lightweight, compact and portable product.

Redesigned a stretch ladder for young gymnast of age between 10 yrs - 12 yrs  with following features:

  1. Under 50 lbs of overall weight and stable structure made of material other than wood.

  2. Collapses to a compact size of 4" x 6" x 18" from an original size of 4" x 18" x 37.5".

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Ideated and brainstormed for various collapsible designs as shown below:

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My ideated mechanism and design research:

  • Given the right resources and third party manufacturer proposed design would have resulted in the most compact shape for stretch ladder as shown besides.

  • Dual telescopic action with market research for different types of locking mechanism for telescopic tubes as shown below.

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Two Final Designs:

3D MODEL

  1. Dual Folding Design with 1/8th" wall thickness hollow square tubes of Aluminum 6061.

  2. Horizontal telescopic Design with 1/8th" wall thickness round tubes.

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Dual Folding Configurations:

Horizontal telescopic configuration:

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Outcome & Future Work:

  • Plastic tubing with living hinges,

  • Hygienic, easy to replace padding at the horizontal members.

  • Avoiding pinch points near folding hinges by using protective sleeves and rubber caps at exposed edges to make it child friendly device.

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