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Schlage
Schlage (pronounced ) is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP. Schlage is one of the most popular brands of consumer and commercial locks in the United States. History The Schlage Manufacturing Company was founded by inventor Walter Schlage (d. 1946) in 1920 with the help of three businessmen who each contributed $10 to become equal partners. Walter Schlage had already secured several patents dating back to 1909, when he patented a doorknob that would also complete an electrical circuit so that, for instance, the lights would turn on when the door was opened. However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise mechanism which locked w ...
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Schlage Everest Check-Pin Comparison
Schlage (pronounced ) is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP. Schlage is one of the most popular brands of consumer and commercial locks in the United States. History The Schlage Manufacturing Company was founded by inventor Walter Schlage (d. 1946) in 1920 with the help of three businessmen who each contributed $10 to become equal partners. Walter Schlage had already secured several patents dating back to 1909, when he patented a doorknob that would also complete an electrical circuit so that, for instance, the lights would turn on when the door was opened. However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise mechanism which locked wh ...
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Schlage Primus Design US Patent 4756177 July, 1988
Schlage (pronounced ) is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP. Schlage is one of the most popular brands of consumer and commercial locks in the United States. History The Schlage Manufacturing Company was founded by inventor Walter Schlage (d. 1946) in 1920 with the help of three businessmen who each contributed $10 to become equal partners. Walter Schlage had already secured several patents dating back to 1909, when he patented a doorknob that would also complete an electrical circuit so that, for instance, the lights would turn on when the door was opened. However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise mechanism which locked wh ...
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Schlage Everest C123 Key Blanks
Schlage (pronounced ) is an American Lock (security device), lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP. Schlage is one of the most popular brands of consumer and commercial locks in the United States. History The Schlage Manufacturing Company was founded by inventor Walter Schlage (d. 1946) in 1920 with the help of three businessmen who each contributed $10 to become equal partners. Walter Schlage had already secured several patents dating back to 1909, when he patented a doorknob that would also complete an electrical circuit so that, for instance, the lights would turn on when the door was opened. However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise me ...
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Walter Schlage
Walter Reinhold Schlage (1882–1946) was a German-born American engineer and inventor. Known as the ''Lock Wizard of Thuringia'', he is best known for the bored cylindrical lock and the lock company that bears his name, Schlage Lock Co. Early training and travels Early on in his life, his father recognized his aptitude for mechanics and academics and worked on his behalf to have his son admitted to the Carl Zeiss Optical Works in Jena, Germany. During his apprenticeship, Schlage learned drafting, applied mechanics and engineering. After four years, he graduated with a special award of merit, as a result of his applied scholarship. Walter developed a sense of adventure whetted by guests that stayed in his father's hotel, in Thuringia, Germany. Following his training he left Germany for London where he worked as an instrument maker for Hileger, Ltd. Lasting a year in England, he emigrated to the United States where he gained employment with the Western Electric Company. Wi ...
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Bored Cylindrical Lock
A bored cylindrical lock is a lockset which is installed by boring two circular holes in the door. Door handles may also use the same installation. Installation Two holes are bored, perpendicular to one another, into the door. The "face bore" is the larger hole which is bored into the door face and a smaller "edge bore" hole is bored into the door edge. The edge may require additional preparation to receive the latch assembly, typically by routing or chiseling a shallow mortise. Some commercially-sold doors may come prepared to receive one or more bored cylindrical locks, such as entry doors, which typically require both a door knob and dead bolt. In the United States, typically, the face bore is sized from in diameter and is centered at from the leading edge of the door. This distance is referred to as the "backset." Other, less popular, backsets are at . Residential doors are normally prepared with a backset and commercial doors have a backset. The edge bore is typically ...
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Allegion
Allegion plc is an American Irish-domiciled provider of security products for homes and businesses. Though it comprises thirty-one global brands, including CISA, Interflex, LCN, Schlage and Von Duprin, the company operates through two main sections: Allegion International and Allegion Americas. The company employs around 10,000 people, sells its products in more than 130 countries across the world and in 2020 generated revenues of US$2.7 billion. It is part of the S&P 500 and headquartered in Dublin. History Allegion spun off from Ingersoll Rand Plc on 1 December 2013, and became a standalone, publicly traded company. This placed Allegion on the S&P 500, where it replaced JC Penney. David D. Petratis was announced chairman of the board, chief executive officer and president of the company, in August 2013. As of 2022, John H. Stone became the president and chief executive officer of the company. Petratis remains the chairman of the board until Jan 2, 2023. Mergers and subsi ...
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Visitacion Valley, San Francisco
Visitacion Valley (; Spanish: ''Valle de la Visitación''), colloquially referred to as Viz Valley, is a neighborhood located in the southeastern quadrant of San Francisco, California. Visitacion Valley is roughly defined by McLaren Park and Gleneagles Golf Course to the West, Mansell Blvd and Portola to the north, Bayview Hill and Candlestick Cove to the east, and the San Francisco / San Mateo County line to the south. The streets of this neighborhood straddle the border between San Francisco and Daly City, hence partially blending with the adjacent Daly City neighborhood of Bayshore. The grounds of the Cow Palace, straddling the San Francisco/Daly City border, are partially within Visitacion Valley. Name Visitacion Valley takes its name from Rancho Cañada de Guadalupe la Visitación y Rodeo Viejo, a large tract of land that also included the Bayshore district of Daly City, the city of Brisbane, and San Bruno Mountain. The term "Visitacion" is Spanish and a reference to the ...
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Brisbane Baylands Development
The Brisbane Baylands is a parcel of land in Brisbane, just south of the San Francisco border. There have been several proposals to develop the site, which was previously used as a railyard and a municipal landfill; historical uses have led to contaminated soil, polluted stormwater runoff, and potential buried toxic waste. None of the present proposals have been approved by Brisbane's city council. The approximately triangular site is oriented primarily north–south and is bounded by Bayshore Boulevard to the west, the Bayshore Freeway to the east, and the San Francisco–San Mateo County line to the north; it includes Brisbane Lagoon as the southernmost extent, although no development is planned for the lagoon. The primary road through the site is Tunnel Avenue, running north–south. Commuter rail service is provided by Caltrain through the middle of the site, parallel to Tunnel and U.S. 101; the Muni Metro T Third line provides light rail service to San Francisco from the nort ...
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Mortise Lock
A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket—the mortise—to be cut into the edge of the door or piece of furniture into which the lock is to be fitted. In most parts of the world, mortise locks are found on older buildings constructed before the advent of bored cylindrical locks, but they have recently become more common in commercial and upmarket residential construction in the United States. The design is widely used in domestic properties of all vintages in Europe. History Mortise locks have been used as part of door hardware systems in the US since the second quarter of the eighteenth century. In these early forms, the mortise lock mechanism was combined with a pull to open the unlocked door. Eventually, pulls were replaced by knobs. Until the mid-nineteenth century, mortise locks were only used in the most formal rooms in the most expensive houses. Other rooms used box locks or rim locks; in contrast with embedded mor ...
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Caltrain Tunnel, San Francisco (7147248141)
Caltrain (reporting mark JPBX) is a California commuter rail line serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose at Tamien station with weekday rush hour service running as far as Gilroy. The northern terminus of the line is in San Francisco at 4th and King Streets. Caltrain has 28 regular stops, one limited-service weekday-only stop ( College Park), one weekend-only stop (Broadway), and one football-only stop (Stanford). While average weekday ridership in 2019 exceeded 63,000, impacts of the COVID-19 pandemic have been significant: in August 2022, Caltrain had an average weekday ridership of 18,600 passengers. Caltrain is governed by the Peninsula Corridor Joint Powers Board (PCJPB) which consists of agencies from the three counties served by Caltrain: Santa Clara, San Francisco, and San Mateo. Each member agency has three representatives on a nine-member Board of Directors. The member agencies are the Santa ...
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Shapeways
Shapeways, Inc. is a global, 3D printing marketplace and service, publicly traded company. Users design and upload 3D printable files, and Shapeways prints the objects for them or others. Users can have objects printed in over 55 materials and finishes, these include: plastics, precious metals, steel and food-safe ceramics, which were discontinued and have been replaced by porcelain materials. As of 2021, Shapeways has printed and sold more than 20 million objects. History Early history Shapeways began as a spin-off of Royal Philips Electronics, the Netherlands in 2007. It was founded by Peter Weijmarshausen, Robert Schouwenburg and Marleen Vogelaar and the idea came forth at the Philips design department. The concept and venture plan was initially created in 2005 by Dolf Wittkämper within the `Philips Lifestyle Incubator` program which offers support for start-up companies with innovative ideas. In 2008 a service was launched that allowed customers to design their own ...
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Flatbed Scanner
An image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop ''flatbed scanner'' where the document is placed on a glass window for scanning. ''Hand-held scanners'', where the device is moved by hand, have evolved from text scanning "wands" to 3D scanners used for industrial design, reverse engineering, test and measurement, orthotics, gaming and other applications. Mechanically driven scanners that move the document are typically used for large-format documents, where a flatbed design would be impractical. Modern scanners typically use a charge-coupled device (CCD) or a contact image sensor (CIS) as the image sensor, whereas ''drum scanners'', developed earlier and still used for the highest possible image quality, use a photomultiplier tube (PMT) as the image sensor. A ''rotary scanner,'' used for high-speed document ...
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