Hardware Terms(L-P)五金术语(L-P)
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HardwareTermsL
LatchBolt
Abeveledspringbolt,usuallyoperatedwheneithertheknoborleveristurned,orwhenthethumbpiecewhichoperatesthehandlesetispusheddown.
Leaf(ofapairofdoors)
| Oneofthetwodoorsformingapairofdoors. |
LeftHandDoor
| Ifhingesareontheleftsideofthedoorwhenviewingfromtheoutside,doorislefthanded. |
LetterboxBackPlate
| Aplate,similartoaletterboxplate,attachedtotheinsideofadoortoallowthepassageofmail. |
LetterboxPlate
| Aplateattachedtothedoorwithanopeningtopermitinsertionofmail. |
LeverHandle
| Ahorizontalhandleforoperatingthebolt(s)ofalock. |
LeverTumbler
| Flattumblerhavingapivotedmotionactuatedbytheturningofthekeyandcontrollingthelockingfunction. |
LipofaStrike
| Theprojectingpartonwhichthelatchboltrides. |
LockRail(ofthedoor)
| Thehorizontalmemberofadoorintendedtoreceivethelockcase. |
LockSet
| Alock,completewithtrim,suchasknobs,escutcheonsorhandles. |
LockStile(ofadoor)
| Thestiletowhichthelockisappliedasdistinguishedfromthehingestile. |
LooseJointHinge
| Ahingehavingbuttwoknuckles;thepinisfastenedpermanentlytooneknuckle,theothercontainsthepinhole,wherebythetwopartsofthehingecanbedisengagedbylifting.Thesehingesarehanded. |
LoosePinHinge
| Ahingehavingaremovablepintopermitthetwopartsofthehingetobeseparated. |
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HardwareTermsM
MagneticCatch
Acupboardcatchthatusesamagnettoholdthedoorclosed.
MasterKey
| Operatesanyquantityofcylindersofdifferentindividualkeychanges. |
Masterkeying
| Anarrangementofcylindershavingindividualkeychanges,whichpermitsthemalltobeoperatedbyasimplekeycalledamasterkey |
MonoLock
| SeePreassembledLock |
MopPlate
| Anarrowplatesimilartoakickplate,ofsufficientheighttoprotectagainsttheswishofthemop. |
Mortise
| Acavitymadetoreceivealockorotherhardware;alsotheactofmakingsuchacavity. |
MortiseBolt
| Adoorboltdesignedtobemortisedintoadoorratherthanappliedtoitssurface. |
MortiseLock(orLatch)
| Alockdesignedtobeinstalledinamortiseratherthanappliedtothedoor’ssurface. |
Mullion
| Afixedormovablepostdividinganopeningvertically. |
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HardwareTermsN
Nightlatch
Anauxiliarylockhavingaspringlatchboltandfunctioningindependentlyof,andprovidingadditionalsecurityto,theregularlockofthedoor.
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HardwareTermsO
OliveKnuckleHinge
Apaumellehingewithknucklesforminganovalshape.
OverheadConcealedCloser
| Acloserconcealedintheheadframewithanarmconnectingwiththedooratthetoprail. |
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HardwareTermsP
PanicExitDevice
SeeExitDevice
Paracentric
| Atermusedinconnectionwithcylinderplugshavingprojectionsonthesidesofthekeywaythatextendbeyondtheverticalcenterlineofthekeyway. |
PassageFunction(Hall/Closet)
| Knoborleversetmostcommonlyusedinhallwayswherealockingfeatureisnotrequired. |
Paumelle
| Astyleofhingeembodyingasinglejointofthepivottype,generallyofmodern,orstreamlineddesign. |
PinTumblers
| Smallslidingpinsinalockcylinder,workingagainstcoilspringsandpreventingthecylinderplugfromrotatinguntilthepinsareraisedtotheproperalignmentbybittingofkey. |
Pivot
| SeeDoorPivot |
Plug(ofacylinder)
| Theroundpartcontainingthekeywayandrotatedbythekeytotransmitmotiontothebolt(s). |
PreassembledLock
| Alockthathasallpartsassembledasaunitatthefactoryandwhich,wheninstalledinarectangularnotchcutintothedooredge,requireslittleornodisassembly. |
PrisonLock
| Aheavylockdesignedespeciallyforuseonjailcells. |
PrivacyFunction(Bed/Bath)
| Knoborleversetmostcommonlyusedinbathroomorbedroom;canbelockedfromtheinsidewithapushbuttonemergencyreleasefeature. |
PushPlate
| Aplateappliedtothelockstiletoprotectthedooragainstsoilingandwear. |
