In bowling, a pinsetter or pinspotter is an automated mechanical device that sets bowling pins back in their original positions, returns bowling balls to the front of the alley, and clears fallen pins
A 5-pin bowling pinsetter in use at a bowling alley in Toronto
Pinsetters in operation at a bowling alley as seen from behind the lanes
April 1910, 1:00 A.M.: Pin boys working in Subway Bowling Alleys, 65 South St., Brooklyn, New York. Lewis Hine photo.
This 1961 Brunswick patent shows a second set of pins is preassembled above the deck to be ready for the next frame.
AMF Bowling was a major operator of bowling centers and major manufacturer of bowling equipment.
Pinsetter
…In bowling, a pinsetter (Brunswick) or pinspotter (AMF) is an automated mechanical device that sets bowling pins back in their original positions, returns bowling balls to the front of the alley, and clears…
A typical US AMF-branded bowling center that uses AMF pinsetters