Categories Guide

FAQ: What is a 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.

How does a cremone bolt work?

Cremone bolts include two interconnecting rods that run the entire length of a door, or entire width of a window. If the knob is turned again, the bolt retracts back down into the floor to lock the door. Most cremone bolt sets can only be operated using the knob or lever where the rods intersect.

What is cremone handle?

The Takigen cremon (gremon) handle is a multi-point lock used for a shelter, cubicle, soundproof door or electromagnetic protection door. It enables two or more locks to be lockable and unlockable by turning one handle.

How do surface bolts 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 are cremone bolts?

: 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.

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What is an espagnolette lock?

An espagnolette locking system (shortened to espag) is the flat metal strip which runs up the locking side of a window and moves when the handle is turned. Often they have round studs on them called mushrooms which move up and down (or side to side depending on how your window sits) when the handle is moved.

What is an espagnolette bolt?

An espagnolette is a locking device, normally mounted on the frame of a French door or casement window, with a handle or knob at about three of four feet above the floor which rotates a round bar with hooks at the ends into sockets at the head and sill of the opening.

How do you attach a surface bolt to a door?

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 is an Astragal on a door?

Attached to the meeting edge of single or double doors, astragals are vertical components designed to seal off gaps that leak air, water, noise, light, and debris. They can also function to detain gases, smoke, or flames in the event of a fire. Last, astragals can increase the security of door locks and strikes.

What is a 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.

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What is the meaning of bolt the door?

verb. When you bolt a door or window, you slide the bolt across to fasten it. He reminded her that he would have to lock and bolt the kitchen door after her. [ VERB noun]

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