[nottorp]

They're still available but they only seem to make them for professional cleaners (hotels etc) in europe. And they get big and you probably don't want them in your home.

[bombcar]

You can find that kind of setup on many machines around the home and shop:

Look at https://bissellcdn.blob.core.windows.net/cdn-storage-contain... - the ONLY Mention it makes is "quick release power" but doesn't document how to do it (it's a turn the hook setup).