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A fully adjustable joint used in PAMS mounting for assistive technology that allows customization of device placement.

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makersmakingchange/Universal-Lockable-Joint

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Universal-Lockable-Joint

Overview

This is a low-cost 3D printable joint to be used for mounting assistive technology devices. The joint allows for 1/2 inch PVC pipes to be inserted in and allow movement in all degrees of freedom. This device is intended to work with other PVC Accessible Mounting System (PAMS) mounting devices to allow adjustable and lockable positioning in all directions.

Picture of 3D printed Universal Loackable Joint with PVC pipe.

The PVC is placed into the lockable joint and then positioned in the desired location. Once the optimal mounting location is found the joint can be locked in place by turning the handle of the device. This locks all the directions of the device. This can be repositioned by simply loosening the handle and tightening once again.

Picture showing how to adjust the joint. The knob is turned clockwise to tighten and counterclockwise to loosen.

More info at:

Versions/Customization

There is an optional larger handle that can be 3D printed as well. This version is better for individuals with reduced grip strength and allows more area to grab onto. If you are building this device for a request, ask the user if they want to try out the larger handle. The STL can be found in the "3D Print Files" folder above.

Build Instructions

Build instructions and design files are available in this repository. The instructions and guides can be found under "Documentation". The STLs can be found under "3D Print Files". The solid model files (STEP) can be found in "Design Files". Photos of the device can be seen under "Photos".

Skills Required

  • Fine motor skills
  • Twisting bolt into place (Gripping)
  • Using tools

Tools

  • Mallet/Hammer (optional)

Components

  • 1x - M10 x 70 Hex Bolt  - Link
  • 1x - M10 Hex Nut - Link
  • 1x - M10 Flat Washer - Link
  • 1x - Rubber Washer - Link

3D Printing

All Components can be printed with no support at 20% infill with a 0.2 layer height.

  • 1x - Joint Handle
  • 1x - Left half of shell housing
  • 1x - Right half of shell housing

Attribution

University of Alberta Capstone Team:

  • Matthew Brydges
  • Bobby Li
  • Stanley Lim
  • Miguel Oliveira
  • Marco Villegas

About Us

Makers Making Change Logo

Makers Making Change is an initiative of Neil Squire, a Canadian non-profit that helps people with disabilities.

We are committed to creating a network of volunteer makers who support people with disabilities in their communities through 3D printing assistive devices. Check out our library of free, open-source assistive technologies with parts and build instructions.

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A fully adjustable joint used in PAMS mounting for assistive technology that allows customization of device placement.

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