Ballentine's law dictionary. Anderson, W.S.. 1998.
Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… … Wikipedia
Door closer — Modern manual door closer A door closer is a mechanical device that closes a door, in general after someone opens it, or after it was automatically opened. Choosing a door closer can involve the consideration of a variety of criteria. In addition … Wikipedia
overhead — [ō′vər hed΄; ] for adv. [ ō΄vər hed′] adj. 1. a) located or operating above the level of the head ☆ b) designating a door, as of a garage, that moves into place overhead when opened 2. in the sky 3. on a higher level, with reference to related… … English World dictionary
Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… … Wikipedia
overhead stop — n. a door stop which contacts the door near the top … Locksmith dictionary
door track — noun : a usually overhead track for door rollers … Useful english dictionary
overhead concealed closer — n. a closer designed for installation out of view in the door header area … Locksmith dictionary
garage door lock — n. a rim lock mechanism designed for use on an overhead door, which mechanism has a spring loaded bolt which automatically locks the door s bolt mechanism … Locksmith dictionary
rolling door — See overhead door; revolving door … Ballentine's law dictionary
Swing door operator — A swing door operator (or swing door opener or automatic swing door operator) is a device that operates a swing door for pedestrian use. It opens or helps open the door automatically, waits, then closes it. Types There are 3 basic types of swing… … Wikipedia
