It appears these were sold in the 1950s and 60s.
Photo of real ones.
Youtube video which shows a few shots of them in action, but it's not the exclusive focus of the video.
I get the impression they were not very popular even in their day. Much less so than backyard jungle gyms or swing sets.
I normally try to summarize interesting info about ads, but I did not succeed in finding a good page dishing details about these, like how many were ever sold, and any accident history there might've been.