Embedded Files
CAD Render and Vision:
Cart Frame
The Cart is a 2-wheeled collapsible frame made from 6061 aluminum. The higher-load components are made with solid beams of thickness 3/16" x 3/4", with the rest made from 1/8" x 3/4" beams.
Spring System
Based on Bodie's size and his needs, the cart has been made with two springs, one placed on each side connecting from an extension of the legs of the cart to the middle of the body.
Doorstop Brake System
Because of Bodie's injury, he needs a new way to allow him to apply control over his position between standing and sitting. To address this, the brake allows Bodie to sit down by walking backwards, and to stand by pulling forward. The brake uses a rubber doorstop that wedges against the ground to stop movement of the wheel in both orientations.
Assembly and Testing:
Results
The following observations were made regarding the performance of the cart:
User Training
Bodie had to be
taught how to comfortably use the new cart. By the end of training, he could respond to four commands for testing criteria: sit, lie down, up (lying to sitting), and come (sitting to standing).
Cart:
Allowed for sturdy normal usage
Allowed for a simple bathroom relief system with hooks for disposable bags
Able to perform under high velocities and stress with great stability
Spring is able to perform and not put too much stress on Bodie
Bodie
Able to go from standing to sitting in the cart as the brake engaged
Able to remain in seated position without much force required
Able to return to a standing position assisted by the spring and brake
Able to transition to a lying down position comfortably
Able to comfortably remain lying down on the floor
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