About 4 results
https://drivepatents.com/patents/999790 · 1 Aug 2012
The present invention relates to a universal precise leveling measuring device and a measurement method thereof, comprising: a plate-shaped horizontal base, a round bubble level set at the center of an upper surface of the base, and three outriggers set on...
https://drivepatents.com/patents/1008096 · 2 Nov 2011
The spirit level has a bottom wall (28) comprising an outer surface (26) in form of a measurement surface. A bubble body is arranged in a profile body (13), where bubble is optically detected over an opening passing-through a head wall (32). The profile bo...
https://drivepatents.com/patents/1082183 · 24 Nov 2004
A spirit level comprises an elongate, central member 72 and a pair of covers 64 which are slidably mounted on the central member 72. The covers 64 are slidable from a fully extended configuration (as shown) to a closed configuration where each cover 64 enc...
https://drivepatents.com/patents/1093574 · 3 Sep 2003
Spirit level comprises an elongated body (2), preferably of metal, plastic end caps (7) and at least one bubble level. At least one of the end caps forms a measurement surface and at least one of the end caps is detachable from the spirit level body.