Torsional rocking structural component

Abstract

There is disclosed a torsional rocking structural component comprising: a movable plate; an elastic member for rockably supporting the movable plate, the elastic member having a rectangular parallelepiped shape, and a rectangular surface; a support for holding the elastic member; and a wiring passing through the elastic member, disposed in the vicinity of a surface of the elastic member and passing through a portion in which a stress generated during torsional deformation of the elastic member is small.

What is claimed is:  
     
         1 . A torsional rocking structural component comprising: 
 a movable plate;    an elastic member for rockably supporting the movable plate, the elastic member having a rectangular parallelepiped shape, and a rectangular surface;    a support for holding the elastic member; and    a wiring passing through the elastic member, disposed in the vicinity of a surface of the elastic member and passing through a portion in which a stress generated during torsional deformation of the elastic member is small.    
     
     
         2 . The torsional rocking structural component according to  claim 1  wherein the wiring extends, avoiding the vicinity of a geometric center of the surface of the elastic member.  
     
     
         3 . The torsional rocking structural component according to  claim 2  wherein the wiring extends, avoiding the vicinity of geometric corners of the surface of the elastic member.  
     
     
         4 . A torsional rocking structural component comprising: 
 a movable plate;    an elastic member for rockably supporting the movable plate, the elastic member having a rectangular parallelepiped shape, and a rectangular surface;    a support for holding the elastic member; and    two wirings passing through the elastic member, disposed in the vicinity of a surface of the elastic member and passing through a portion in which a stress generated during torsional deformation of the elastic member is small.    
     
     
         5 . The torsional rocking structural component according to  claim 4  wherein the wirings extend, avoiding the vicinity of a geometric center of the surface of the elastic member.  
     
     
         6 . The torsional rocking structural component according to  claim 5  wherein the wirings extend, avoiding the vicinity of geometric corners of the surface of the elastic member.  
     
     
         7 . A torsional rocking structural component comprising: 
 a movable plate;    an elastic member for rockably supporting the movable plate, the elastic member having a rectangular parallelepiped shape, and a rectangular surface;    a support for holding the elastic member; and    an even number of wirings passing through the elastic member, disposed in the vicinity of a surface of the elastic member and passing through portions in which a stress generated during torsional deformation of the elastic member is small.    
     
     
         8 . The torsional rocking structural component according to  claim 7  wherein the even number of wirings extend, avoiding the vicinity of a geometric center of the surface of the elastic member, and arranged symmetrically with respect to the rocking axis.  
     
     
         9 . The torsional rocking structural component according to  claim 8  wherein the even number of wirings extend, avoiding the vicinity of geometric corners of the surface of the elastic member.  
     
     
         10 . A torsional rocking structural component comprising: 
 a movable plate;    a pair of elastic members for rockably supporting the movable plate, each of the elastic members having a rectangular parallelepiped shape, and a rectangular surface;    a support for holding the elastic members; and    wirings passing through the elastic members, disposed in the vicinity of a surface of the elastic members and passing through portions in which a stress generated during torsional deformation of the elastic member is small.    
     
     
         11 . The torsional rocking structural component according to  claim 10  wherein the wirings are located so that one of them is provided in each of the elastic members.  
     
     
         12 . The torsional rocking structural component according to  claim 10  wherein the wirings extend, avoiding the vicinity of a geometric center of the surface of the elastic member, and arranged symmetrically with respect to the rocking axis.  
     
     
         13 . The torsional rocking structural component according to  claim 12  wherein the wirings extend, avoiding the vicinity of geometric corners of the surface of the elastic member.  
     
     
         14 . The torsional rocking structural component according to  claim 10  wherein the wirings are located so that a even of them are provided in each of the elastic members with the even of wires arranged symmetrically with respect to the rocking axis.  
     
     
         15 . The torsional rocking structural component according to  claim 10  wherein the wirings are located on one of the elastic members, and the torsional rocking structural component further comprises a strain detection element disposed in the vicinity of a surface of the other elastic member and positioned at a portion in which a stress generated during torsional deformation of the elastic member is large.  
     
     
         16 . The torsional rocking structural component according to  claim 15  wherein the strain detection element is located at one of the geometric corners of the surface of the elastic member.