Patent ID: 9341474
Filing Date: 2016-05-17
CPC Classification: G01C,G01S,G02B

Claim Text:
1. A rotation unit for a surveying device for optically scanning an environment, wherein the rotation unit comprises: a rotation body implemented as a cylinder having a beveled, free end, which is provided to be rotatably mounted in the surveying device about its cylinder axis; and a rotation mirror disposed on the beveled, free end of the rotation body, and arranged inclined in relation to the cylinder axis is provided for deflecting an emission light beam and a reception light beam; wherein the rotation body is implemented as a hollow cylinder having a cavity delimited by a cylinder bottom and a cylinder wall protruding therefrom, which is beveled on its free end opposite to the cylinder bottom, and by the rotation mirror fastened in the region of the free end on the cylinder wall, and wherein the hollow cylinder is connectable, coaxially with respect to its cylinder axis, in a rotationally-fixed manner to a motor-driven shaft of the surveying device via its cylinder bottom.