US 11,951,048 B2
Some functional parts of operating table and operating table
Kwang-un Clarence King, Shanghai (CN); Qiang Hao, Shanghai (CN); Hao Shi, Taicang (CN); Jian Wang, Taicang (CN); Debao Ma, Kunshan (CN); Wei Ma, Taicang (CN); Jipeng Wang, Suzhou (CN); Jian Yang, Taicang (CN); Boon Khai Ang, Singapore (CN); Min Htun Aye, Singapore (CN); Arnd Kuchenbecker, Saalfeld (DE); and Falk Georgi, Saalfelder Höhe (DE)
Assigned to TRUMPF MEDIZIN SYSTEME GMBH + CO. KG, Saalfeld (DE)
Filed by TRUMPF MEDIZIN SYSTEME GMBH + CO. KG, Saalfeld (DE)
Filed on Dec. 23, 2020, as Appl. No. 17/132,153.
Application 17/132,153 is a continuation of application No. 15/809,206, filed on Nov. 10, 2017, granted, now 11,083,658.
Claims priority of application No. 201621216902.X (CN), filed on Nov. 11, 2016.
Prior Publication US 2021/0106484 A1, Apr. 15, 2021
Int. Cl. A61G 13/06 (2006.01); A47C 19/04 (2006.01); A47C 20/04 (2006.01); A61G 7/012 (2006.01); A61G 7/018 (2006.01); A61G 13/00 (2006.01); A61G 13/02 (2006.01)
CPC A61G 13/06 (2013.01) [A47B 2200/0052 (2013.01); A47C 19/045 (2013.01); A47C 20/041 (2013.01); A47C 20/042 (2013.01); A61G 7/012 (2013.01); A61G 7/018 (2013.01); A61G 13/0018 (2013.01); A61G 13/02 (2013.01)] 19 Claims
OG exemplary drawing
 
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.