Angle Rotation Controlling Device

Abstract

This invention provides an angle rotation controlling device including a main pole, a left arm and a right arm which are rotatable around the axis of the main pole are assembled on the main pole. A vertical rod is assembled at an end of the left arm and right arm, respectively, and a left arm tooth disc is assembled at the left arm's end which is coaxial with the main pole. The right arm tooth disc matched with the left arm tooth disc is assembled at the right arm's end which is coaxial with the main pole. The left arm tooth disc and the right arm tooth disc are assembled on the main pole via a knob. A main pole tooth disc is fastened at the bottom of the main pole to cooperate with the left arm tooth disc. The angle rotation controlling device can not only make the left arm and the right arm rotate relatively, but also can make them rotate around the main pole while keeping them relatively stationary. The height can be adjusted at will, which allows doctors and nurses to move the patients conveniently.

1 . An angle rotation controlling device, including a main pole ( 3 ), a left arm and a right arm which are rotatable around the axis of the main pole ( 3 ) being assembled on the main pole ( 3 ), a vertical rods ( 14 ) being assembled at an end of the left arm and the right arm, respectively, wherein, a left arm tooth disc ( 9 ) is assembled at a left arm's end which is coaxial with the main pole ( 3 ), and a right arm tooth disc ( 8 ) which is matched with the left arm tooth disc ( 9 ) is assembled at a right arm's end which is coaxial with the main pole ( 3 ), and the left arm tooth disc ( 9 ) and the right arm tooth disc ( 8 ) are assembled on the main pole ( 3 ) via a knob ( 10 ). 
     
     
         2 . The angle rotation controlling device according to  claim 1 , wherein a main pole tooth disc ( 5 ) is fastened at the bottom of the main pole ( 3 ) to cooperate with the left arm tooth disc ( 9 ). 
     
     
         3 . The angle rotation controlling device according to  claim 1 , wherein the right arm tooth disc ( 8 ) is connected with the right arm via a fixing screw ( 12 ), and the left arm tooth disc ( 9 ) is connected with the left arm via a positioning screw ( 11 ) and two protrusions at both sides. 
     
     
         4 . The angle rotation controlling device according to  claim 2 , wherein the main pole tooth disc ( 5 ) is fastened to the main pole ( 3 ) via a pin ( 4 ). 
     
     
         5 . The angle rotation controlling device according to  claim 1 , wherein the vertical rod ( 14 ) comprises a fixing rod ( 14 - 2 ) outside, and a telescopic rod ( 14 - 1 ) inside. 
     
     
         6 . The angle rotation controlling device according to  claim 5 , wherein a pull button ( 19 ) is disposed at the top of the telescopic rod ( 14 - 1 ), and extraversive spring sheet(s) ( 17 ) is(are) disposed on the telescopic rod ( 14 - 1 ), and the extraversive part of the spring sheet(s) ( 17 ) is connected with the pull button ( 19 ). 
     
     
         7 . The angle rotation controlling device according to  claim 6 , wherein the amount of the spring sheet(s) ( 17 ) is at least one. 
     
     
         8 . The angle rotation controlling device according to  claim 1 , wherein the left arm comprises lower left arm(s) ( 7 ) and upper left arm(s) ( 1 ), and the amount of the upper left arm(s) ( 1 ) is at least one, and the right arm comprises lower right arm(s) ( 6 ) and upper right arm(s) ( 2 ), and the amount of the upper right arm(s) ( 2 ) is at least one.