Many years ago a former wife owned a toaster almost the same as Robin's which was shown in the original post, it worked perfectly and without fail turned the toast when the lid was lowered. It was slightly different in one detail however and that was that the ridge upon which the slice of bread rested when in the closed position, was curved i.e. convex, so that as the lid was lowered the slice easily slid off of the curved base toasted side downwards. When the said wife departed, the toaster departed too- – -and despite looking for many years, I never saw another ( toaster that is
 
until last year our mutual friend Google found this ………….
which is not bad at all, but not automatic, though with a bit of additional metalwork could be made so! It is Moulinex, seemingly only available from Spain where they are sensible enough to not worry that stupid people might be able to electrocute themselves by being able to touch the elements, or burn their house down because the only control requires enough brain function to be able to operate the OFF switch.
I suppose that really it's a just a posh version of Duncan's electric fire and coat hanger, but you can do perfect toast on it………………………………………or burnt 
Trevor