A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion ) engaging a linear gear (the rack ). Together, they convert between rotational motion and linear motion: rotating the pinion causes the rack to be driven in a line. Conversely, moving the rack linearly will cause the pinion to rotate.
45-644: [REDACTED] Look up rack or racks in Wiktionary, the free dictionary. Rack or racks may refer to: Storage, support and transportation [ edit ] Amp rack , short for amplifier rack, a piece of furniture in which amplifiers are mounted Autorack or auto carrier, to transport cars in freight trains Baker's rack for bread and other baked goods Bicycle rack: Bicycle parking rack Bicycle stand , for holding bicycles in service, storage, or transport The luggage carrier of
90-436: A Racking Horse Rack, a climbing term for the set of equipment carried up a climb Rack, a slang term for one thousand dollars mostly used in rap music Rack (billiards) or triangle, a frame for placing billiard balls in their starting positions Rack (torture) , an ancient instrument of torture Rack card , advertising document displayed at convenience stores, hotels, etc. Rack jobber or rack merchandiser,
135-436: A Racking Horse Rack, a climbing term for the set of equipment carried up a climb Rack, a slang term for one thousand dollars mostly used in rap music Rack (billiards) or triangle, a frame for placing billiard balls in their starting positions Rack (torture) , an ancient instrument of torture Rack card , advertising document displayed at convenience stores, hotels, etc. Rack jobber or rack merchandiser,
180-524: A Web server interface for Ruby VCV Rack , a free software modular synthesizer mod_rack , informal name of Ruby web server Phusion Passenger Places and artifacts [ edit ] CSAR Rack 4-6-4RT a South African locomotive Rack Marsh , a nature reserve in Bagnor, England Rack Hill , a biological Site of Special Scientific Interest in Wiltshire, England Racks railway station ,
225-414: A Web server interface for Ruby VCV Rack , a free software modular synthesizer mod_rack , informal name of Ruby web server Phusion Passenger Places and artifacts [ edit ] CSAR Rack 4-6-4RT a South African locomotive Rack Marsh , a nature reserve in Bagnor, England Rack Hill , a biological Site of Special Scientific Interest in Wiltshire, England Racks railway station ,
270-407: A bicyle Bustle rack , a type of storage bin mounted on armored fighting vehicles Clothes rack, same as clothes horse Coat rack, hall rack, or hat rack, same as hatstand Drum rack, item of drum hardware Drying rack , for hanging clothing to dry Ejector rack or hardpoint , to attach external loads to an aircraft Firearm rack , for storing firearms Flat rack container ,
315-407: A bicyle Bustle rack , a type of storage bin mounted on armored fighting vehicles Clothes rack, same as clothes horse Coat rack, hall rack, or hat rack, same as hatstand Drum rack, item of drum hardware Drying rack , for hanging clothing to dry Ejector rack or hardpoint , to attach external loads to an aircraft Firearm rack , for storing firearms Flat rack container ,
360-479: A company that displays merchandise in stores Rack of ribs , a cut of meat, e.g. Rack of lamb Rack phase difference , a parameter of a jackup rig Rack rate, the published full list price of a hotel room Rack-rent , a type of property rent Rack striking, a way of playing a striking clock Rack tom, a variant of tom drum Racks, a slang term for a women's breasts Racks and quandles , concepts in abstract algebra Short Rack Rotation,
405-479: A company that displays merchandise in stores Rack of ribs , a cut of meat, e.g. Rack of lamb Rack phase difference , a parameter of a jackup rig Rack rate, the published full list price of a hotel room Rack-rent , a type of property rent Rack striking, a way of playing a striking clock Rack tom, a variant of tom drum Racks, a slang term for a women's breasts Racks and quandles , concepts in abstract algebra Short Rack Rotation,
450-682: A fictional character in the American TV series Buffy the Vampire Slayer Rack-Lo , American rapper Edmund Rack (c.1735–1787), English writer Reinhard Rack (born 1945), Austrian politician Ricky Racks , pseudonym of American songwriter Ricky Harrell, Jr (1987–) Simon Rack , fictional galactic secret agent created by American writer L. James in 1974 Tom Rack , Canadian actor and writer (1983–) Rack , Greek rapper and entrepreneur (1999-) Companies, organizations and products [ edit ] Beyond
495-547: A fictional character in the American TV series Buffy the Vampire Slayer Rack-Lo , American rapper Edmund Rack (c.1735–1787), English writer Reinhard Rack (born 1945), Austrian politician Ricky Racks , pseudonym of American songwriter Ricky Harrell, Jr (1987–) Simon Rack , fictional galactic secret agent created by American writer L. James in 1974 Tom Rack , Canadian actor and writer (1983–) Rack , Greek rapper and entrepreneur (1999-) Companies, organizations and products [ edit ] Beyond
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#1732772573302540-590: A former railway station in Dumfries and Galloway, Scotland Sinclair Loading Rack , a former historic Sinclair Oil structure built in 1928 in Oklahoma Toast Rack (building) , formerly Hollings Building, in Manchester, England Other uses [ edit ] Down the rack, running the rack, or drop set , a strategy in bodybuilding Rack or singlefoot, a type of horse gait , such as of
585-404: A former railway station in Dumfries and Galloway, Scotland Sinclair Loading Rack , a former historic Sinclair Oil structure built in 1928 in Oklahoma Toast Rack (building) , formerly Hollings Building, in Manchester, England Other uses [ edit ] Down the rack, running the rack, or drop set , a strategy in bodybuilding Rack or singlefoot, a type of horse gait , such as of
630-422: A full rotation of the worm screw only displaces the rack by one tooth width. By the same token, a rack and pinion mechanism yields a smaller linear force than a worm gear, for the same input torque. Also, a rack and pinion pair can be used in the opposite way, to turn linear force into torque; whereas a worm drive can be used in only one way. The teeth of a rack and pinion pair may be either straight (parallel to
675-580: A kitchen Roof rack , a system used to carry items on top of a car Shoe rack , often just inside the entrance of a home Spinner rack , rotating frame to display merchandise in stores Pipe rack , to support pipes, cables, cable trays, etc Skull rack or Tzompantli , a display of human skulls in Mesoamerican cultures Standard rack systems to support computer, communications, and AV equipment 19-inch rack Open Rack , an alternative standard 23-inch rack , and Rack unit ,
720-519: A kitchen Roof rack , a system used to carry items on top of a car Shoe rack , often just inside the entrance of a home Spinner rack , rotating frame to display merchandise in stores Pipe rack , to support pipes, cables, cable trays, etc Skull rack or Tzompantli , a display of human skulls in Mesoamerican cultures Standard rack systems to support computer, communications, and AV equipment 19-inch rack Open Rack , an alternative standard 23-inch rack , and Rack unit ,
765-431: A low cost press forging process to manufacture the racks, eliminating the need to machine the gear teeth. A rack and pinion has roughly the same purpose than a worm gear with a rack replacing the gear, in that both convert torque to linear force. However the rack and pinion generally provides higher linear speed — since a full turn of the pinion displaces the rack by an amount equal to the pinion's pitch circle whereas
810-479: A pair of pneumatic actuators to operate a valve with minimum stress. The time and place of the invention of the rack-and-pinion mechanism are unknown, but it presumably was not long after the invention of gears. The south-pointing chariot from China and the Antikythera mechanism are evidence of these being well-known already a couple of centuries BC . In 1598, firearms designer Zhao Shizhen developed
855-453: A plant growth product developed by Ed Haas (1950–2024) through his RackMax company, Alabama SafeRack , an American maker of safety products for transportation industries Speed Rack , an American speed bartending competition for women Tie Rack Ltd, a British retailer of neckties and scarves Tire Rack , an American distributor of tire, wheels and other car accessories Software [ edit ] Rack (web server interface) ,
900-453: A plant growth product developed by Ed Haas (1950–2024) through his RackMax company, Alabama SafeRack , an American maker of safety products for transportation industries Speed Rack , an American speed bartending competition for women Tie Rack Ltd, a British retailer of neckties and scarves Tire Rack , an American distributor of tire, wheels and other car accessories Software [ edit ] Rack (web server interface) ,
945-415: A railroad freight car with two end walls but no side walls Hay rack to hold hay for feeding animals. Laboratory drying rack , a pegboard for hanging and draining glassware in a laboratory Music rack or music stand , to hold sheet music for performance Newspaper rack, a newspaper vending machine Pallet racking , structural racks for storing palletised loads Pot rack to organize pots in
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#1732772573302990-415: A railroad freight car with two end walls but no side walls Hay rack to hold hay for feeding animals. Laboratory drying rack , a pegboard for hanging and draining glassware in a laboratory Music rack or music stand , to hold sheet music for performance Newspaper rack, a newspaper vending machine Pallet racking , structural racks for storing palletised loads Pot rack to organize pots in
1035-539: A song by American rapper Lil Pump " That's a Rack " (2019), a song by American rapper Lil Uzi Vert The Rack Pack (2016), a 2016 British comedy-drama TV film about snooker War in a Rack (2009), music album by jazz saxophonist and rapper Soweto Kinch " (I'm Gonna) Put You Back on the Rack " (1981), a country song by R. Goodrum and B. Maher The Woman on the Rack (1928), silent German drama film People and characters [ edit ] Rack or Marrack,
1080-488: A song by American rapper Lil Pump " That's a Rack " (2019), a song by American rapper Lil Uzi Vert The Rack Pack (2016), a 2016 British comedy-drama TV film about snooker War in a Rack (2009), music album by jazz saxophonist and rapper Soweto Kinch " (I'm Gonna) Put You Back on the Rack " (1981), a country song by R. Goodrum and B. Maher The Woman on the Rack (1928), silent German drama film People and characters [ edit ] Rack or Marrack,
1125-478: A song by American rapper Tyga Rack 'Em (1988), a pool/snooker video game by Accolade Rack 'Em Up (1987), a billiards/pool arcade game by Konami Rack-O , a Milton-Bradley card matching game Rack 'n Roll , a game for a 2007 robotics competition "Racks" (song) (2011), by American rapper Y. C. " Racks in the Middle " (2019), a song by American rapper Nipsey Hussle " Racks on Racks " (2019),
1170-425: A song by American rapper Tyga Rack 'Em (1988), a pool/snooker video game by Accolade Rack 'Em Up (1987), a billiards/pool arcade game by Konami Rack-O , a Milton-Bradley card matching game Rack 'n Roll , a game for a 2007 robotics competition "Racks" (song) (2011), by American rapper Y. C. " Racks in the Middle " (2019), a song by American rapper Nipsey Hussle " Racks on Racks " (2019),
1215-484: A train propelled using a toothed rail Rack slide, a type of linear bearing used to mount pull-out equipment in racks Media [ edit ] Bomb Rack (1945-1946), a free weekly published by the 20th US Air Force in Guam Bottle Rack (1914), a proto-Dada sculpture by Marcel Duchamp Come Rack! Come Rope! (1912), historical novel by English priest and writer R. H. Benson Curly on
1260-417: A train propelled using a toothed rail Rack slide, a type of linear bearing used to mount pull-out equipment in racks Media [ edit ] Bomb Rack (1945-1946), a free weekly published by the 20th US Air Force in Guam Bottle Rack (1914), a proto-Dada sculpture by Marcel Duchamp Come Rack! Come Rope! (1912), historical novel by English priest and writer R. H. Benson Curly on
1305-426: A truck bed to increase its capacity Wash rack , a partly enclosed platform for washing vehicles and equipment Wine rack for wine bottles Mechanics [ edit ] Power rack , a piece of weight training equipment The straight component of a rack and pinion pair Rack and snail, a mechanism used in some striking clocks Rack lift , an elevator which runs on vertical rails Rack railway ,
1350-426: A truck bed to increase its capacity Wash rack , a partly enclosed platform for washing vehicles and equipment Wine rack for wine bottles Mechanics [ edit ] Power rack , a piece of weight training equipment The straight component of a rack and pinion pair Rack and snail, a mechanism used in some striking clocks Rack lift , an elevator which runs on vertical rails Rack railway ,
1395-543: A unit of measure for the height of equipment placed in such racks International Standard Payload Rack for the International Space Station, including Combustion Integrated Rack European Drawer Rack Fluids Integrated Rack Materials Science Research Rack or Materials Science Laboratory Test tube rack used in chemical laboratories Toast rack , for holding slices of toasted bread Truck bed rack , metal frame attached to
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1440-462: A unit of measure for the height of equipment placed in such racks International Standard Payload Rack for the International Space Station, including Combustion Integrated Rack European Drawer Rack Fluids Integrated Rack Materials Science Research Rack or Materials Science Laboratory Test tube rack used in chemical laboratories Toast rack , for holding slices of toasted bread Truck bed rack , metal frame attached to
1485-497: A variant of rotation pool Torture rack or Argentine backbreaker rack, a professional wrestling move Trash rack or debris screen, to stop floating debris from entering water wheels, pumps, etc See also [ edit ] Racking (disambiguation) RACK (disambiguation) List of rack railways Demountable Rack Offload and Pickup System (DROPS), a family of British Army logistics vehicles Pallet rack mover Wrack (disambiguation) Topics referred to by
1530-497: A variant of rotation pool Torture rack or Argentine backbreaker rack, a professional wrestling move Trash rack or debris screen, to stop floating debris from entering water wheels, pumps, etc See also [ edit ] Racking (disambiguation) RACK (disambiguation) List of rack railways Demountable Rack Offload and Pickup System (DROPS), a family of British Army logistics vehicles Pallet rack mover Wrack (disambiguation) Topics referred to by
1575-700: Is different from Wikidata All article disambiguation pages All disambiguation pages rack [REDACTED] Look up rack or racks in Wiktionary, the free dictionary. Rack or racks may refer to: Storage, support and transportation [ edit ] Amp rack , short for amplifier rack, a piece of furniture in which amplifiers are mounted Autorack or auto carrier, to transport cars in freight trains Baker's rack for bread and other baked goods Bicycle rack: Bicycle parking rack Bicycle stand , for holding bicycles in service, storage, or transport The luggage carrier of
1620-410: Is different from Wikidata All article disambiguation pages All disambiguation pages Rack and pinion The rack and pinion mechanism is used in rack railways , where the pinion mounted on a locomotive or a railroad car engages a rack usually placed between the rails, and helps to move the train up a steep gradient . It is also used in arbor presses and drill presses , where
1665-437: Is not straight but arcuate (bent), namely just a section of a large gear. A single pinion can simultaneously drive two racks, parallel but opposite; which will always be displaced by the same distance, only in opposite directions. Conversely, by applying opposite forces to the two racks one can obtain pure torque on the pinion, without any force component. This double rack and pinion mechanism can be used, for example, with
1710-522: The Rack (1958) play by Australian writer Ru Pullan Killer Rack (2015), an American musical horror comedy film The Rack (album) (1991), by Dutch death metal band Asphyx The Rack (1915 film) , an American silent drama film The Rack (1956 film) , a courtroom drama starring Paul Newman Off the Rack (1985), an American sitcom TV series On the racks (2001), an album by Belgian band Lords of Acid Rack (album) (2024) by American rock band Jesus Lizard " Rack City " (2012),
1755-522: The Rack (1958) play by Australian writer Ru Pullan Killer Rack (2015), an American musical horror comedy film The Rack (album) (1991), by Dutch death metal band Asphyx The Rack (1915 film) , an American silent drama film The Rack (1956 film) , a courtroom drama starring Paul Newman Off the Rack (1985), an American sitcom TV series On the racks (2001), an album by Belgian band Lords of Acid Rack (album) (2024) by American rock band Jesus Lizard " Rack City " (2012),
1800-431: The Rack , a Canadian online shopping company Mag Rack , also Lifeskool, an American video on demand television distributor Muck Rack , a public database for journalists Nordstrom Rack an American off-price department store Rack Room Shoes , an American footwear retailer Rackable Systems, Inc., that acquired bankrupt Silicon Graphics (SGI) and became Silicon Graphics International Rackmax or Rack-max,
1845-431: The Rack , a Canadian online shopping company Mag Rack , also Lifeskool, an American video on demand television distributor Muck Rack , a public database for journalists Nordstrom Rack an American off-price department store Rack Room Shoes , an American footwear retailer Rackable Systems, Inc., that acquired bankrupt Silicon Graphics (SGI) and became Silicon Graphics International Rackmax or Rack-max,
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1890-512: The Xuanyuan arquebus (軒轅銃), featuring a rack-and-pinion matchlock mechanism derived from an Ottoman Turkish matchlock design. The Wu Pei Chih (1621) later described Ottoman Turkish muskets that used a rack-and-pinion mechanism. The use of a variable rack (still using a normal pinion) was invented by Arthur Ernest Bishop in the 1970s, so as to improve vehicle response and steering "feel", especially at high speeds. He also created
1935-402: The pinion is connected to a lever and displaces a vertical rack (the ram ). In pipelines and other industrial piping systems, a rack displaced by a linar actuator turns a pinion to open or close a valve . Stairlifts , lock gates , electric gates , and the mechanical steering mechanism of cars are other notable applications. The term "rack and pinion" may be used also when the rack
1980-405: The same term [REDACTED] This disambiguation page lists articles associated with the title Rack . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Rack&oldid=1259145826 " Category : Disambiguation pages Hidden categories: Short description
2025-405: The same term [REDACTED] This disambiguation page lists articles associated with the title Rack . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Rack&oldid=1259145826 " Category : Disambiguation pages Hidden categories: Short description
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