Level apparatus

A level apparatus for use in indicating whether a surface is in level or plumb. The apparatus may also indicate the angle of a surface. The apparatus comprises a body, a fluid filled enclosure (4) mounted on or in the body. The inside of which is visible through one or more windows (16,18). A pointe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JEFFREY RUSSEL CURRIE, JAMES LITHGOW CURRIE, STEVEN SAMUEL CURRIE
Format:	Patent
Sprache:	eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A level apparatus for use in indicating whether a surface is in level or plumb. The apparatus may also indicate the angle of a surface. The apparatus comprises a body, a fluid filled enclosure (4) mounted on or in the body. The inside of which is visible through one or more windows (16,18). A pointer (6) is rotatably mounted within the fluid filled enclosure (4) and is positively buoyant in the fluid (9). The pointer head (7) is arrow-shaped and can be partially hollow and contain a fluid, such as gas. One or more level markings (c) may be provided to indicate particular angles. In an embodiment the apparatus comprise a plurality of fluid filled enclosures (4).