The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 2025

Filed:

Oct. 22, 2021
Applicant:

Cambridge Mechatronics Limited, Cambridge, GB;

Inventors:

Robin Eddington, Cambridge, GB;

James Howarth, Cambridge, GB;

Valerio Polenta, Cambridge, GB;

Andrew Benjamin Simpson Brown, Cambridge, GB;

Adam South, Cambridge, GB;

Konstantinos Pantelidis, Cambridge, GB;

Stephen Matthew Bunting, Cambridge, GB;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/64 (2006.01); F03G 7/06 (2006.01); G02B 7/02 (2021.01);
U.S. Cl.
CPC ...
G02B 27/646 (2013.01); F03G 7/06143 (2021.08); G02B 7/021 (2013.01); F05B 2280/5006 (2013.01);
Abstract

An actuator assembly () comprising: first () and second () parts that are movable relative to each other; and one or more actuating units, each actuating unit comprising: a force-modifying mechanism () connected to the first part (); a coupling link () connected between the force-modifying mechanism () and the second part (); and an SMA wire () connected between the first part () and the force-modifying mechanism () for applying an input force on the force-modifying mechanism () thereby causing the force-modifying mechanism () to apply an output force on the coupling link () and causing the coupling link () to apply an actuating force on the second part (); wherein the coupling link () is compliant in a direction perpendicular to the direction of the actuating force.


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