Chain link of a transport chain, transport chain of a conveyor and conveyor

A transport chain of a conveyor for conveying an article hanging from a holding adapter, said transport chain comprising a plurality of chain Links swingably connected to one another, each said chain link including a base body having lateral contact surfaces configured to enable friction rollers to be pressed there against for driving the transport chain, coupling sections arranged on the base body at ends in spaced-apart relationship in a conveying direction and configured for swingable connection with a neighboring chain link, bearings formed on an upper side of the base body and configured for support of running or guide rollers and a thrust member connected vertically elastically to an underside of the base body and having an underside provided with at least one recess for formfittingly receiving a coupler of a head piece of the holding adapter for holding the article to be conveyed.