key cut on a generic key blank compatible with a 5 pin c keyway ez sc1 or axxess 68 a common residential keyway . schlage everest c123 patented key blanks schlage primus design schlage pronounced le shlayg 1 is a lock manufacturer founded in 1920 by walter schlage in san francisco . 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 . 2 contents 1 history 2 keyway types 2.1 primus primus xp 2.2 everest 2.3 obverse 2.4 reverse restricted 2.5 numbered or paracentric restricted 2.6 quad restricted 3 key copying 4 nexia home intelligence 5 references 6 external links history edit this section needs expansion . you can help by adding to it . may 2015 the company was acquired by ingersoll rand in 1974 and remained an ingersoll rand subsidiary for nearly 30 years . schlage is currently a subsidiary of allegion an ingersoll rand spin off formed in december of 2013 . 3 in may 2009 demolition began on the san francisco headquarters of schlage ; though the original 1926 spanish colonial designed by local architect william peyton day will remain the rest of the schlage headquarters is planned to become affordable green housing . 4 5 keyway types edit like many lock manufacturers schlage uses milled complex keyway shapes to mechanically prevent some non oem keys from entering or operating a lock . new keyway designs may be protected for a limited time by patent protection which expires after a set number of years . there is no law against duplicating the reverse numbered or quad key blanks which are not patented and are not protected against third party manufacturing . 6 as of 2008 primus keys are no longer protected by patents ; therefore anyone is free to duplicate them . the everest patents expired in 2014 . 7 primus primus xp edit in addition to six cuts for standard locking mechanism there are five side finger pins to operate the secondary sidebar lock . primus keys will operate non primus locks within the same system . primus blanks and keyways are slightly thinner to prevent the entry of non primus keys ; however even if a standard key is altered to allow entry it will not operate primus locks . this design was protected until 2007 under us patent 4 756 177 . the current generation primus called the primus xp is a slight modification to the original design and is protected until 2024 under us patent 7 159 424 . schlage did not invent nor do they hold the patents on primus or primus xp . the design is licensed to schlage by bo widen of torsh lla sweden the inventor and patent holder . everest edit this design features a patented under groove in the keyway design and was legally protected against cloning by utility patents until 2014 . relevant patents are us patent 5 715 717 december 2 2016 and us patent 5 809 816 . just like the classic series everest primus keys can operate everest non primus locks but not the other way around . everest primus xp is an extension to primus everest and the xp design is protected until 2024 under us patent 7 159 424 . schlage did not invent nor do they hold the patents on the everest keys which were designed and patented by bo widen and licensed to schlage . obverse edit there are seven different keyways c ce e ef f fg and g. there is also a special p keyway designed to accept any of the seven sectional keys and a special l key blank 35 101 l designed to be accepted into all seven keyways . oem l section blanks are made of stainless steel . 8 the older type the common residential keyway is known as 35 100c which is a five pin c section . reverse restricted edit this variation was a horizontal mirror image of obverse keyways no longer offered in new key system and not available with a primus option . numbered or paracentric restricted edit this is a large family of keyways expressed as four numbers . except for zeros digits in the keyway designation can not repeat ; i.e. 3578 1358 and 1200 are valid but 1244 and 3300 are not . primus can not be implemented on this series . the digit 9 is not used . each digit represents the presence of a notch in the keyway and a corresponding protrusion along the blade of the key . the odd digits 1 3 5 and 7 extend along the left side of the keyway as observed from the lock face from bottom to top . the even digits are likewise on the right side . generally keyways are identified by four non zero digits in ascending order . in a large masterkey system keys with fewer than four protrusions can be used to enter more than one keyway . for example key blank 1460 will fit lock cylinder 1246 1346 1467 etc. quad restricted edit expressed in four characters such as wstp vtqp etc. this is a very large family available in primus . key copying edit at the 2013 def con conference mit students david lawrence and eric van albert released a piece of code that allows anyone to create a 3d printable software model of any primus key . with just a flatbed scanner and their software tool they were able to produce precise models that they uploaded to the 3d printing services shapeways and i.materialise who mailed them working copies of the keys in materials ranging from nylon to titanium . 9 nexia home intelligence edit nexia home intelligence is a home automation system offered by schlage that allows users to remotely control and monitor home automation devices . a wireless network is created within the home and connects the wireless door lock to the internet . using a smart phone or a web enabled computer users can monitor and send commands to the schlage bridge which communicates with z wave enabled wireless locks thermostats lights cameras and other components within the home . there is a monthly fee associated with the nexia home intelligence service . nexia home intelligence is no longer maintained by schlage . it remained with ingersoll rand during the ir allegion spin off process . ingersoll rand solely maintains the nexia platform . all schlage products that were designed for the nexia platform work with major smart home platforms . references edit schlage link allows you to remotely manage access to your home video 2 of 4 commercial by the schlage company uploaded by the youtube user securelocks in 2009 . retrieved 2011 04 08 . brauer frank . allegion and schlage dedicated to technical innovation . retrieved 14 november 2015 . 1 archived january 13 2014 at the wayback machine . haeber jonathan . schlage lock sf . bearings . retrieved 2009 06 23 . schlage site plans clouded by financing sfgate schlage . everest faqs everest primus by schlage archived october 3 2011 at the wayback machine . http www.smallwoodlock.com library documents schlage.pdf mit students release program to 3d print high security keys forbes external links edit official website schlage lock company detailed company history on answers.com history of schlage nexia home intelligence official site retrieved from https en.wikipedia.org w index.php title schlage & oldid 743700931 categories lock manufacturerscompanies established in 1920manufacturing companies based in san francisco1920 establishments in californiahidden categories articles with wayback machine linksarticles to be expanded from may 2015all articles to be expandedarticles using small message boxes navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 10 october 2016 at 19 51 . text is available under the creative commons attribution sharealike license ; 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