Some sommelier knives have two steps on the lever, and often also a bottle opener. Īn arm extends to brace against the lip of the bottle for leverage when removing the cork. It was conceived by the German Karl Wienke in 1882 and patented in Germany, England, and America.
Sommelier knife A sommelier knifeĪ sommelier knife, waiter's friend or wine key is a corkscrew in a folding body similar to a pocket knife. 98,968 by Richard Smythe marked HOOTCH-OWL. The winged owl version, with two side-plates covering the rack and pinion mechanism, was first designed and manufactured in 1932 by the Spanish industrial designer David Olañeta for his brand BOJ and was later adopted by others, such as the 1936 US Patent No. Such design was adapted by other brands as the wine-market grew in popularity. Rosati's design had an exposed rack and pinion mechanism. The first American patent was in 1930 granted to the Italian Domenico Rosati who emigrated to Chicago, Illinois, to work as bartender before the prohibition. 2950 for his double lever corkscrew, with both levers sliding onto the upper end of the shank. In 1880, William Burton Baker was issued British Patent No. Corkscrews of this design are particularly popular in household use. The head of the central shaft is frequently modified to form a bottle opener, or foil cutter, increasing the utility of the device. The most common design has a rack and pinion connecting the levers to the body. Pushing down the levers draws the cork from the bottle in one smooth motion. As the worm is twisted into the cork, the levers are raised. The winged corkscrew, sometimes called a cork extractor, butterfly corkscrew, owl corkscrew, Indian corkscrew, or angel corkscrew, has two levers, one on either side of the worm. Winged corkscrew A wing corkscrew with an exposed rack and pinion mechanism The handle of the corkscrew allows for a commanding grip to ease removal of the cork. The user grips the handle and screws the metal point into the cork, until the helix is firmly embedded, then a vertical pull on the corkscrew extracts the cork from the bottle. In its traditional form, a corkscrew is simply a steel screw attached to a perpendicular handle, made of wood or some other material. Ī person who collects corkscrews is a helixophile. The disk is designed and manufactured slightly concave on the underside, which compresses the top of the cork and helps keep it from breaking apart. The disk prevents the worm from going too deep into the cork, forces the cork to turn with the turning of the crosspiece, and thus breaks the adhesion between the cork and the neck of the bottle. The clergyman affixed a simple disk, now known as the Henshall Button, between the worm and the shank. In 1795, the first corkscrew patent was granted to the Reverend Samuel Henshall, in England. The corkscrew is possibly an English invention, due to the tradition of beer and cider, and Treatise on Cider by John Worlidge in 1676 describes "binning of tightly corked cider bottles on their sides", although the earliest reference to a corkscrew is, "steel worm used for the drawing of Corks out of Bottles" from 1681. The design of the corkscrew may have been derived from the gun worm, which was a device from at least the early 1630s used by men to remove unspent charges from a musket's barrel in a similar fashion. More recent styles of corkscrew incorporate various systems of levers that further increase the amount of force that can be applied outwards upon the cork, making the extraction of difficult corks easier. Corkscrews are necessary because corks themselves, being small and smooth, are difficult to grip and remove, particularly when inserted fully into an inflexible glass bottle. In its traditional form, a corkscrew simply consists of a pointed metallic helix (often called the "worm") attached to a handle, which the user screws into the cork and pulls to extract it. Three types of corkscrew: two modern (left and bottom) and one old (right) A basic corkscrewĪ corkscrew is a tool for drawing corks from wine bottles and other household bottles that may be sealed with corks.
For other uses, see Corkscrew (disambiguation).
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