revolving two tire lift

[DIYSwede]

Nice idea and probably a good market concept - good luck with your patent!

IMHO it looks like two 200 W worm drives (of which I have quite a few, and use for workshop tables and hoists),
working thru toothed belt drives, where the batteries and control boxes are under the side support covers?

Back in 1977-78 I worked extra at a truck, equipment & auto tire shop/ retreading facility, where we used in-house built,
rugged, hand-wound Truck wheel "forklifts" for the same purpose, albeit not with your 2-tire, revolving capacity.
Just stickwelded hot rolled RHS and U-beams, some sealed ball bearings for the moving platform,
cast pulleys, 8" 500lbs SWL castors and a locking hand winch.
All covered in the company's hideous, undescribable blue-green bile enamel.
These were self-explanatory, easy to use, lo-maintenance, easily hosed off friday afternoon and dirt cheap.

The following is not intended as criticism, though I realize it could be perceived so:

Two (totally uncalled for) cents regarding your device:
-What'll happen when dust, grit, grime, salt and sleek from the wheels & shop enters the mechanism:
especially between the bottom drive pulleys and belts,
and what do the slide's bearings consisting of? Sheets/ rollers of acetal?

Feel free to give further info on materials, battery/ motor capacity, max SWL etc.

Cheers

Johan, (who isn't "into rubber" any longer.)