In most parts of the world, mortise lock sets are found on older buildings constructed before the advent of bored cylindrical locks, but they have recently been more commonly put to use in commercial and upmarket residential construction in the U.S and New York. They have handles, unlike door knobs of regular doors. Upgrade Your Home Security with High-Quality Mortise LocksetsĪ mortise lock is a lock that requires a “pocket” – the “mortise” – to be cut into the edge of doors or piece of furniture into which the lock is to be fitted. Sliding/Pocket Door Tracks and Hardware.Inside lever is always free for immediate egress. Auxiliary latch deadlocks latchbolt when door is closed. ![]() Throwing deadbolt automatically locks outside knob/lever. Outside knob/lever remains locked until thumbturn is restored to vertical position. When locked, key outside or knob/lever inside retracts deadbolt and latchbolt simultaneously. Deadbolt thrown or retracted by 90° rotation of thumbturn. Latchbolt retracted by knob/lever from either side unless outside is locked by 20° rotation of thumbturn. Latchbolt retracted by key outside or by knob/lever inside. Auxiliary latch deadlocks latchbolt when door is locked. Latchbolt retracted by knob/lever from either side unless outside is locked by key from either side. Inside knob/lever always free for immediate exit. Latchbolt retracted by knob/lever from either side unless outside is locked by key. ![]() Outside knob/lever remains locked until thumbturn is returned to vertical or unlocked by key. When outside is locked, latchbolt is retracted by key outside or by knob/lever inside. Latchbolt retracted by knob/lever from either side unless outside is made inoperative by key outside or by turning inside thumbturn. To unlock from outside, remove emergency button, insert emergency thumbturn (furnished) in access hole and rotate. Latchbolt retracted by knob/lever from either side unless outside is locked by inside thumbturn.Turning inside knob/lever or closing door unlocks outside knob/lever. Latchbolt retracted by knob/lever from either side at all times. Knob/lever on both sides fixed by mounting bar. Knob/lever on one side fixed by mounting bar. In fact, every one of their L-Series locks meets ANSI Grade 1 standards for safety. Schlage pays attention to these details so you can focus on creating a functional and aesthetically pleasing environment for your clients. That's why every Schlage lock and deadbolt undergoes intensive testing to determine its ANSI grade level: The safety and security of your clients' buildings is something Schlage takes very seriously. The L9000 Series locks are ideal for use in schools, hospitals and factories, where the finest hardware must also deliver consistent, dependable operation and stand up to constant use and abuse. Schlage L-Series Extra Heavy Duty Mortise Locks are built to withstand the rigors of daily use without fail. Your building's locking systems face an additional challenge – keeping people and other assets safe while delivering constant, reliable performance. ![]() At Schlage, they know that every product you specify has to stand up to constant use and abuse.
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