Spirit level with multiple bubble vials
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United States of America Patent
Stats
-
Apr 3, 2001
Grant Date -
N/A
app pub date -
Mar 3, 1999
filing date -
Mar 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spirit level including a body having a level face for setting a surface, and a plurality of bubble vials each mounted in a bubble vial housing, the bubble vial housings being mounted in the body, each the bubble vial having a longitudinal axis, called a vial axis, and each the bubble vial housing having a longitudinal axis, called a housing axis, wherein an angular orientation of the vial axis of one the bubble vials with respect to the level face is different than an angular orientation of the vial axis of another the bubble vial with respect to the level face, the difference in angular orientation being in the range of 0.degree.-30.degree.. Other possible ranges include 0.degree.-20.degree., 0.degree.-10.degree., 0.degree.-5.degree., 0.degree.-3.degree., 0.degree.-2.degree., or 0.degree.-1.degree., for example.
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Cited Art Landscape
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