Patent ID: 7852580
Filing Date: 2010-12-14
Classification: F03G,G02B

Abstract:
1. An, actuation device having a shape memory alloy component, comprising: a base having a bottom portion; at least one first magnetic component disposed under said bottom portion of base; a carrier having a top portion; at least one second magnetic component disposed on said top portion of carrier, said second magnetic component corresponding in location to said first magnetic component; and a shape memory alloy component disposed between said base and said carrier, said shape memory alloy component having at least one deformable supporting component disposed at a position corresponding to both positions of said first magnetic component and of said second magnetic component for supporting said carrier, and said supporting component being in a horizontal form between said base and said carrier since there is a magnetic force between said first magnetic component and said second magnetic component; wherein as the driving force resulting from a martensitic phase transformation in said shape memory alloy component becomes greater than the magnetic force between said first magnetic component and said second magnetic component, said supporting component is deformed and pushes said carrier upwardly to actuate it in an upward direction.