Patent ID: 11951048
Assignee: TRUMPF MEDIZIN SYSTEME GMBH + CO. KG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A lifting device for use in an operating table, comprising:
a stationary bottom column;
a top column movable in the vertical direction;
wherein the lifting device further comprises:
a lifting mechanism for moving the top column in the vertical direction, wherein the lifting mechanism comprises a screw-and-nut transmission, which has a lead screw that is in operative connection with a drive motor, and a screw nut that is accommodated within and is fixedly connected to a nut housing, and the screw-and-nut transmission is configured to convert a rotary motion of the lead screw into a translational motion of the nut housing in the vertical direction, and

wherein positioning and fastening of the top column and the nut housing are achieved by a lifting fork,
wherein the nut housing on both sides has a first groove and a second groove that extend in a direction perpendicular to the lead screw, respectively, and the lifting fork has a base, a first arm for being fit inserted into the first groove, and a second arm for being fit inserted into the second groove.