: a bolt with a chain attached for drawing it out.
What is a chain bolt used for?
The bolt at the lower end of the chain plate, which fastens it to the vessel’s side. A bolt with a chain attached for drawing it out of position.
What is a flush bolt?
Flush bolts are used to secure the inactive leaf of a pair of doors, projecting into the frame head and into a floor strike. … Manual flush bolts and surface bolts are projected and retracted manually, and automatic flush bolts are projected when the active leaf closes and depresses a trigger on the edge of the door.
What is a foot bolt?
Definition of foot bolt : a bolt operated by foot pressure and attached to the bottom of a door to hold it in either open or closed position.What is a cremone bolt?
Definition of cremone bolt : a fastening used on double doors and casement windows that has vertical rods moved up and down so that the ends of the bolts engage the top and bottom of the frame.
What is a door lock set?
A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers.
What is dust proof socket?
Details. To be used in conjunction with flush bolts, these sockets prevent dust and debris from entering into the cavities where more traditional plates would fill up over time. Suitable for timber, concrete and tiled floors and manufactured in stainless steel with a spring loaded plunger.
How does a surface bolt work?
Unlike Flush Bolts, Surface Bolts are not mortised into the door. Instead, many are simply secured with screws to the door. Surface Bolts work by sliding the bolt into the strike; for this reason, they are also known as Slide Bolts.What is cremone hardware?
Cremone bolts are typically used on exterior french doors or windows. … Often rabbeted doors are used for a traditional detail. The geared action in the ‘cremone box’ was developed in France to allow two surface bolts to articulate locking or unlocking the door by using one lever or oval knob.
What are the 7 types of locks?- Padlocks. One of the most common lock types around, padlocks are also among the most recognizable locks on the planet. …
- Deadbolts. …
- Knob Locks. …
- Lever Handle Locks. …
- Cam Locks. …
- Rim/Mortise Locks. …
- Euro Profile Cylinders. …
- Wall Mounted Locks.
What is a strike plate?
Strike Plate This is the plate the latch-tongue, or deadbolt-tongue will connect with. It should sit flush with the door jamb. Any passage or privacy set needs to have a strike plate for the door to latch. Additionally, deadbolts need a strike plate to properly lock.
What is a storeroom knob?
Storeroom locks are used when the outside lever should be locked at all times. A key is used to retract the latchbolt and open the door; when the key is removed the door is locked on the outside.
How do you fit a flush bolt to a rebated door?
How to fit the flush bolt keep into the frame. Next, slot the flush bolt into the hole and be sure to pilot drill the holes before screwing it up. Finally, screw the door back on and close it. Flick the lever so the bolt goes up and mark around it on the floor or head of the door lining.
How do you install a surface bolt?
Position the bolt right on the edge of the door and ensure that it isn’t touching on the frame. Then, mark the first screw hole with a pencil. Drill in a bit to fit the first screw. With the help of a drill, insert the screw in the screw hole, but do not completely tighten it.
How do you mount a surface bolt?
Hold the bolt 1/2″-3/8″ from the edge of the door when retracted. If your bolt has concealed screw holes (A), slide the bolt to expose the holes and use a pencil to mark the hole locations. If your bolt has guides (B), place the bolt on the door with the guides in position and use a pencil to mark the hole locations.
What are the two types of locks?
- Shared lock: It is also known as a Read-only lock. In a shared lock, the data item can only read by the transaction. …
- Exclusive lock: In the exclusive lock, the data item can be both reads as well as written by the transaction.
What are the 3 types of key operated lock?
- Cylindrical Locksets—Often called key-in-knob or key-in-lever locks. …
- Dead-Bolt Locks—Sometimes called tubular dead bolts. …
- Mortise Locks—Mortised or recessed into the edge of the door. …
- Drop-Bolt Locks (often called jimmy-proof locks)—Auxiliary locks similar to dead bolts.
What does Jimmy-proof mean?
A jimmy-proof lock is often located on the inside of a door. A jimmy-proof lock gets its name from the fact that it cannot be accessed from the outer portion of the lock on the front of the door. This prevents someone from prying off the lock. A jimmy-proof lock is also easier to install than a deadbolt.
Do longer screws make a door harder to kick in?
Still, having longer screws isn’t a guarantee that no one will be able to kick in your door. It might just take a bit longer for it to come apart. “Those longer screws go into the stud that’s behind a door jamb, so instead of splitting that initial wood, it’s in a deeper sub wood, so it’s grabbing more,” Whipple said.
What is a deadbolt strike?
Deadbolt Strike: It basically covers the part of the jamb where the hole would be and the bolt would lock into place. Dresses it up a bit. Most of the hardware comes standard with the full lip strike, but are available with pretty much any of the styles listed upon request.
What is a vestibule lock?
Vestibule Lock: The latch is retracted by a key from outside when the outside lever is unlocked by key in the inside lever. The inside lever is always free for immediate egress.
What is a corridor lock?
Corridor Lock function is defined as a lock where the dead locking latch bolt is operated by the lever from either side except when outside lever is locked by key in outside lever or by push button or other locking device on the inside. The key in the outside lever locks or unlocks outside lever.
