Sip n Puff 3D Printed Automated Swing Away

Adjusting forward position – the forward and reverse resting positions can be tuned to decide how far forward or back the straw will travel depending on what else is on the backrest. It can vary the swing away anywhere from approximately 90 degrees all the way up to 135 degrees depending on how you tune it.

Quick Release Straw – For the new SNP tube design, this straw can be removed and replaced in seconds by simply pressing the blue ring back and then pulling the straw out. The new straw is simply pushed into place.

Swing Away Swing Forward – Process

  1. As soon as the button is pressed to stow the straw behind, the chair enters charging mode to stop the chair’s movement in case of accidental triggering
  2. The forward movement is intentionally slower than going back to prevent scaring the user or whipping them in the face
  3. The switch is used on a 1-second delay to prevent double taps. But other than that the direction can be reversed every 1 second so it doesn’t have to complete each cycle.

The SNP Straw is spring-loaded on the main shaft for 2 reasons

  1. Power failure protection
  2. Client protection if something goes wrong electrically so the client can’t be injured by the straw.

Notes:

  1. Straw length is adjustable
  2. The vertical aluminum rod isbendable as well.

 

Multiple Modifications to an S700 Scooter

Freewheel Lock – The client was concerned about the possible theft of the scooter when left unattended at the swimming pool or in underground parking. I removed the original simple push-button lever and replaced it with a key lock that both prevented freewheel from being entered and also prevented the rear cover from being removed so the batteries could also not be stolen.

Rear Cargo – The client needed lockable storage, crutch holders, and a scooter canopy all as compact as possible since this scooter was already quite large. I built a custom steel frame coming off the standard mount that attached all 3 of these items in one reusing part of the original standard scooter canopy. The box was made to have a pull pin at the bottom front to allow it to tip down when the box needed to be opened or if the back was to be put into recline. This saved about 3” off of the overall length.

Heavy Duty Windshield – This is an aftermarket Motorcycle windshield and is very high quality and extremely resistant to breaking even from high-speed stones. It also has an anti-fogging and lower air resistance effect caused by air passing between the 2 layers of the windshield. Some minor adaptation was necessary to mount it.

Shock Absorption Footrest – Sadly I forgot to take pictures after completion, though they were necessarily ugly due to function anyways. These posts out the front were welded directly to the frame. They provided mounting for the footrest assemblies which were height adjustable, angle adjustable on center but spring-loaded to that position so he could flex his feet forward to stretch, shock-absorbing, gel-padded, and even rotatable for an angle to match leg splaying angle.

 

 

Electronic Housing

This was a 3d printed enclosure to house electronics with the emphasis being to keep the package as small and tidy as possible. It was actually mounted centered on the backrest between 2 angled bends. This was an Evan K project so he may give more details.

 

Single Hand Brake Steer Lever with Custom Disc Brakes on Ki Catalyst 5

  1. ADI Disc brakes were not available for this model
  2. The disc brakes had to be able to work in conjunction with a Smoove powered assist without conflicting with the installation
  3. The client needed to be able to use the brake lever themselves to stop and steer
  4. The client only has good use of their right hand as their left hand is too weak
  5. Created a single movement lever mounted to the armrest that allowed forward direction push to activate both brakes but by moving a little left or a little right you can engage either brake proportionally allowing for a joystick-like steering experience when moving forward.

 

 

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