| 摘要 |
The invention considers an adjustable stand for an optical observation instrument, more particularly for a surgical microscope, comprising a tilt axis (1) and comprising a swivel axis (2) for the optical observation instrument and comprising a flange (4) for a connection to the optical observation instrument or a further member of the adjustable stand, wherein a first torque compensation device is arranged at at least one of the two axes (1, 2), which torque compensation device includes a first brake (13) for securing the axis (1, 2) and which includes a first (spring 11), which is connected to a first motor (12) for adjusting the spring tension of the first spring (11) and the first motor (12) is connected to a first motor controller, and which includes a first torque transmission device (14), which is embodied between the first spring (11) and the axis (1, 2), and which includes a first position sensor (16) for determining the location of the axis (1, 2), and which includes a first force sensor (15) for determining the spring tension of the first spring (11), wherein the position sensor (16) and the force sensor (15) are connected to a control unit. |
