Spring system for re-centering a moveable object

The pinch (75) can move of the waterproof (78) definition's type pinch motor area of. The semi (71-74 (75) is connected with the pinch the waterproof (78) is. Semi each (71-74) is connected to the pinch (75) first end and connected with the boundary (78) and a second end; and semi exerting a force the pinch (75), an, wherein without the external force flow the pinch (75); the pressing wheel (75) which is a pressing wheel motor for no. In a groove; each semi (71-74) comprises a plane screw. When the pressing wheel (75) a to the no of type pinch motor area, the semi (71-74) is further exert a force pressed any of vibration type pinch position. The pinch (75) is further comprises an electrode (91,92), which is a semi (94,96) electrically connected with is arranged on a point of type pinch motor area.