Levelling, plumbing, and angle calibration instrument with a pendulously suspended plumb bob

摘要

The instrument (1) has a swinging suspended vertical body for creation and emission of laser light and carrying one of a light element, lens and beam splitter or beam converging element. A clamping arrangement is allocated to the vertical body for limiting or blocking the swinging motion, where the arrangement has a clamping element allocated to the vertical body. A set of clamping shoes is arranged opposite in reference to each other, where the shoes are synchronously displaceable or pivotal or displaceable and pivotal in reference to a clamping section of the vertical body.