Joseph Glass (inventor)
Joseph Glass was an American inventor best known for his work in the development of automated pinsetting machines for bowling alleys. While precise details of his early life and exact dates of inventions are often difficult to definitively source, Glass is generally credited with significantly contributing to the mechanization of bowling, which drastically reduced labor costs and increased the sport's popularity.
Prior to the widespread adoption of automated pinsetters, bowling alleys relied on human pinsetters (often young boys) to manually reset the pins after each ball. This was a laborious and time-consuming process. Glass's innovations, along with those of competitors such as Gottfried Schmidt, led to the creation of machines that could automatically clear fallen pins, return the bowling ball, and reset the pins according to the proper pattern.
The transition from manual to automated pinsetting was gradual, spanning several decades. Early pinsetting machines were often unreliable and required frequent maintenance. However, the efficiencies they offered ultimately proved too compelling, and by the mid-20th century, automated pinsetters had become standard equipment in bowling alleys across the United States and internationally. Glass's work, even if the specific details of his patents and designs are less readily accessible today, is understood to be a key part of that technological advancement in the bowling industry. Further research into historical patent records would be needed to provide a more comprehensive account of his specific inventions.