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Make your own gait trainer - Part 3

Permalink: http://paul.us2uk.eu/?x=entry:entry130223-132150

<< Part 2 || Part 4 (coming soon!) >>

In part 2 of this project I decided to change the design to use Unistrut instead of welded box section. Well, because I can I’ve decided to revert to using box section mainly because I have someone who is willing to build it for me, albeit with a much simpler design. The other reason is that, although the Unistrut design is quite sound I’d need to import the hand winch - maybe the pulley wheels too BUT I think it could be built without those now, and just have the wire rope running around metal posts with some PTFE tape wrapped around them.

Once I’ve got Georgi’s gait trainer built I’d like to go back and redesign the Unistrut version, but here are the drawings for the latest incarnation.

In case anyone wants to play around with this design you can download the original drawing. I’m not very good with AutoCAD so I used RFFlow instead.

The main change to the design is the absence of an arch in the base. This arch was similar to the Litegait arch and is needed if you want to use the gait trainer with a treadmill, but we don’t have one of those so I decided to jettison that feature. The exclusion of that also avoids the need to bend box section - which ain’t easy!

This is the general arrangement drawing - you’ll need to ignore the red dotted lines at top left (retained old school Technical Drawing memories!). Click any of the drawings to open larger versions in a new window.

01-General-Arrangement

No, that’s not a bottle of beer for Georgi to take a quick swig from if he get’s thirsty - that’s a regular car bottle jack which will be used to raise the top swing arm and take some of Georgi’s weight off his legs. I’m not sure if that will work as well as I think a winch would, but there’s only one way to find out.

The gait trainer comes in three parts: the base which consists of two runners, a cross-bar, and an upright box section with some holes in the side to allow for coarse height adjustment; the sliding post which goes into that; and the top section which pivots at the head of the sliding post.

02-Base-Front-Elevation

03-Base-Side-Elevation

The grid lines you can see in all of these drawings represent either 25mm or one inch, depending on whether you use metric or imperial measurements.

05-Slider-Side-Elevation

04-Slider-Front-Elevation

06-Harness-Support-Plan-View

The harness will be suspended from the eye bolts you can see there, and the adjustment range of this design should be enough to allow us to use this right up to when Georgi’s fully grown - but we hope we won’t need to!

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If you found anything on this site of use, interesting, or even mildly amusing then please consider dropping a few pennies in the jar to help us to take care of our disabled son who contracted encephalitis in 2007 at the age of 6 and who is now confined to a wheelchair. He is getting bigger as his mother and I get older, imagine that, please. Every penny we collect goes towards his upkeep, and towards his future care requirements.

Thank you.

Support our caregiving

Support our caregiving

If you found anything on this site of use, interesting, or even mildly amusing then please consider dropping a few pennies in the jar to help us to take care of our disabled son who contracted encephalitis in 2007 at the age of 6 and who is now confined to a wheelchair. He is getting bigger as his mother and I get older, imagine that, please. Every penny we collect goes towards his upkeep, and towards his future care requirements.

Thank you.