Patent ID: 6546801
Filing Date: 2003-04-15
Classification: B81B,G01P

Abstract:
Mechanical structure comprising:at least a moving mass moving along an OY axis; and suspension elements suspending said moving mass and mechanically connected firstly to the moving mass and secondly to a fixed part of the mechanical structure, at least one of the suspension elements including, an elongation mechanism inserted between the fixed part and an end of a suspension element opposite the moving mass, connected to the suspension element, co-operating with the suspension element to improve suspension of the moving mass, mechanically connected to the fixed part, and connected through said end of the suspension element to the moving mass, wherein the elongation mechanism is deformable in an XOY plane, a direction OX in the XOY plane being a direction along an axis of the suspension element, a stiffness of the elongation mechanism is asymmetric in that an applied force causes a lower apparent stiffness variation when exerted in one direction along the direction OX than when the same force is applied in an opposite direction.