公开(公告)号：US20220136488A1

公开(公告)日：2022-05-05

申请号：US17431726

申请日：2020-03-10

申请人： ACTUATOR SOLUTIONS GMBH

发明人： Arif KAZI ,  Markus KÖPFER ,  Markus BÄUML ,  Neven BOBIC ,  Michael HONOLD

IPC分类号： F03G7/06

摘要： Multi-stable SMA actuator comprising two shape memory alloy wires (1, 2) in antagonistic configuration that allow to define multiple stable positions of a movable element (12), said positions being maintained by movable stoppers to lock the movable element, that do not require power and are disengaged by the shape memory alloy wires (1, 2) upon actuation thereof.

公开(公告)号：US20220342277A1

公开(公告)日：2022-10-27

申请号：US17635498

申请日：2020-10-01

申请人： ACTUATOR SOLUTIONS GMBH

发明人： Neven BOBIC ,  Tobias SCHUMM

IPC分类号： G03B5/00 ,  G03B13/36 ,  G03B3/10 ,  A61B1/00

摘要： A cylindrical actuator sub-assembly (100, 200, 300) comprising: an element (14, 24, 34) movable along a longitudinal axis (A), at least one actuating member and a guidance mechanism suitable for guiding the element, wherein aid guidance mechanism includes a first ring-shaped lever (11, 21, 31) and a second ring-shaped lever (11′, 21′, 31′) that are parallel to each other, at least two straight axial flexures (12, 12′; 22, 22′; 32, 32′), at least two flexures (16, 16′; 27, 27′; 36, 36′) and at least two bases (13, 13′; 23, 23′; 33, 33′), a first base carrying the movable element.