The Zipper

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It was a long way up for the humble zipper, the mechanical wonder that has kept so much in our lives "together." On its way up the zipper has passed through the hands of several dedicated inventors, none who convinced the general public to accept the "Zipper" as part of everyday costume. The magazine and fashion industry made the novel zipper the popular item it is today, but it happened nearly eighty years after the zipper's first appearance.

Elias Howe, who invented the sewing machine received a patent in 1851 for an "Automatic, Continuous Clothing Closure." Perhaps it was the success of sewing machine which caused Elias to not pursue marketing his "Clothing Closure." As a result Howe missed his chance to become the recognized "Father of the Zip."

zipper inventionForty-four years later, Mr. Whitcomb Judson (who also invented the "Pneumatic Street Railway") marketed a "Clasp Locker" a device similar to the 1851 patent. Being first to market gave Whitcomb the honor of commonly being credited as the "Inventor of the Zipper", though what he patented in 1893 wasn't even called a zipper at the time. The Chicago inventor's "Clasp Locker" was a complicated hook-and-eye shoe fastener, together with businessman Colonel Lewis Walker, Whitcomb launched the Universal Fastener Company to manufacture the new device.

Whitcomb Judson's Clasp Locker
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zipper inventionSwedish immigrant and electrical engineer Gideon Sundback was hired to work for Universal Fastener Company, good design skills and a marriage to the plant manager's daughter Elvira Aronson led Sundback to the position of head designer at Universal. He was responsible for improving the far from perfect "Judson C-curity Fastener." Unfortunately Sundback's wife died in 1911, and the grieving husband busied himself at the design table, by December of 1913 he came up with a design that became the zipper as it is known today.

zipper inventionSundback increased the number of fastening elements from four per inch to ten or eleven, two facing rows of teeth that pulled into a single piece by the slider, and increased the opening for the teeth guided by the slider. The patent for the "Separable Fastener" was issued in 1917. Sundback also created the manufacturing machine for the new zipper, the "S-L" or scrapless machine took special Y-shaped wire and cut scoops from it, then punched the scoop dimple and nib, and clamped each scoop on a cloth tape to produce a continuous zipper chain. Within the first year of operation Sundback's zipper-making machinery was producing a few hundred feet of fastener per day.

zipper inventionThe original 1917 patent for the "Separable Fastener"zipper invention

zipper inventionThe popular "Zipper" name came from the B. F. Goodrich Company, when they decided to use Gideon's fastener on a new type of rubber boots or galoshes and renamed the device "Zipper," the name which lasted. Boots and tobacco pouches with a zippered closure were the two chief uses of the zipper during its early years. It took twenty more years to convince the fashion industry to seriously promote the novel closure on garments.

zipper inventionIn the 1930's a sales campaign began for children's clothing featuring zippers, praising zippers for promoting self-reliance in young children by making it possible for them to dress in "self-help clothing." The zipper beat the button in the 1937 "Battle of the Fly" when french fashion designers raved over zippers in men's trousers. Esquire magazine declared the zipper the "Newest Tailoring Idea for Men" and among the zippered fly's many virtues was that it would exclude "The Possibility ofUnintentional and Embarrassing Disarray." Obviously the new zippered trouser owners had not yet discovered the experience of forgetting to zip up.

zipper inventionThe next big boost for the zipper came when zippers were designed so both ends could open, as on jackets. Today the zipper is everywhere, in clothing, luggage and leather goods and countless other objects. Thousands of "Zipper" miles are produced daily to meet the needs of consumers, thanks to the early efforts of the many "Zipper" inventors.

Whitcomb JudsonGideon Sundback
Whitcomb Judson           Gideon Sundback