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.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
Mar. 27, 2020
Saes Getters S.p.a., Lainate MI, IT;
Marco Citro, Varese VA, IT;
Luca Fumagalli, Muggiò MB, IT;
Matteo Zanella, Olgiate Olona VA, IT;
Michele Scarlata, Caronno Pertusella VA, IT;
SAES GETTERS S.P.A., Lainate MI, IT;
Abstract
The present invention relates to linear actuators comprising an electrically-controlled shape memory alloy coil spring () suitable to provide linear displacements in valves, switches, lock systems and provided with a crimped terminal at each extremity, each of said crimped terminals comprising a crimping component () and an engaging member () suitable to mount the spring () into the linear actuator. The invention further discloses the use of said spring () with particular geometrical characteristics and crimping system assuring the maximization of the available stroke and fatigue life, structural simplicity, low electrical power requirements and thermal inertia, small size.