US Patent 7775897 Mechanical semi-automatic tee-up device and method

An automatic tee-up device including a golf ball reservoir, a platform with a groove for a golf ball to travel from the reservoir to a tee, and a ball ejector disposed to eject golf balls one at a time from the reservoir onto the groove. The tee is movable from below a level of the golf ball in the groove to above the level of the golf ball in the groove. After the golf ball is ejected by the ejector, the golf ball travels on the groove to the tee and is raised by the tee into a position suitable for striking with a golf club.