| 摘要 |
A cross level comprising a base having a first arm, a second arm, a third arm and a fourth arm; said first arm, said second arm, said third arm and said fourth arm extend along a common plane; said first arm is perpendicular to said second arm and said fourth arm; said third arm is perpendicular to said second arm and said fourth arm; said third arm extends 180 degrees from said first arm; and, said base comprising a plurality of level indicating means. The cross level may also have a means of emitting a laser beam. The present invention relates to a cross level that allows craftsmen to simultaneously level and/or plumb surfaces that are composed of discrete parts.
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