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  2. Double margin doors - Wikipedia

    en.wikipedia.org/wiki/Double_margin_doors

    It is used for door openings that are too wide for a single door but where a pair of doors would be difficult for people to manoeuvre past. An example of a double margin door can be seen at the entrance to 10 Downing Street. A bench joiner will need to be aware of the correct procedure for assembly of this type of door. Firstly he will glue and ...

  3. Door - Wikipedia

    en.wikipedia.org/wiki/Door

    The hinge of the operating door is next to the adjacent fixed door and the latch is located at the wall opening jamb rather than between the two doors or with the use of an espagnolette bolt. A Lev door or convection door is an internal floor-to-ceiling (full height) door, consisting of a standard door leaf and an upper leaf in place of the ...

  4. Mortise lock - Wikipedia

    en.wikipedia.org/wiki/Mortise_lock

    The parts included in the typical US mortise lock installation are the lock body (the part installed inside the mortise cut-out in the door); the lock trim (which may be selected from any number of designs of doorknobs, levers, handle sets and pulls); a strike plate (or box keep), which lines and reinforces the cavity in the door jamb or frame ...

  5. Glossary of locksmithing terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_locksmithing_terms

    When the door is closed, the bolt extends into the hole in the strike plate and holds the door closed. The strike plate protects the jamb against friction from the bolt and increases security in the case of a jamb made of a softer material (such as wood) than the strike plate. Some strike plates have their hole size and placement calculated so ...

  6. Glossary of architecture - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_architecture

    The space enclosed in a church between the outer gate or railing of the rood screen and the door of the screen. Apron 1. A raised panel below a window or wall monument or tablet. 2. An open portion of a marine terminal immediately adjacent to a vessel berth, used in the direct transfer of cargo between the vessel and the terminal. 3.

  7. Jamb - Wikipedia

    en.wikipedia.org/wiki/Jamb

    The jambs of a window outside the frame are called reveals. Small shafts to doors and windows with caps and bases are called jamb-shafts; when in the inside arris of the jamb of a window, they are sometimes called scoinsons. [2] A doorjamb, door jamb, or sometimes doorpost is the vertical portion of the door frame onto which a door is secured. [3]

  8. Latch - Wikipedia

    en.wikipedia.org/wiki/Latch

    A crossbar for double doors employs the same principle, but, in most cases, must be manually set in place and removed due to its width being greater than both doors. A crossbar for a single jamb may be "captured" on the door by U-shaped bails, or anchored by a bolt on its inboard end and pivoted up and down into open cleats, making it a form of ...

  9. Revolving door - Wikipedia

    en.wikipedia.org/wiki/Revolving_door

    Revolving doors can also be used as security devices to restrict entry to a single person at a time if the spacing between the doors is small enough. This is in contrast to a normal door which allows a second person to easily "tailgate" behind an authorized person. Extreme security can require a particular type of bullet-resistant glass.

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