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:
Jun. 27, 1989
Filed:
May. 05, 1988
Applicant:
Inventor:
John E McDonald, San Juan Capistrano, CA (US);
Assignee:
PDA Engineering, Costa Mesa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03G / ;
U.S. Cl.
CPC ...
60527 ; 60529 ;
Abstract
An actuator comprising an actuator body, a shape memory member mounted on the body and a heating element in heat exchange relationship to the shape memory member. By activating the heating element, sufficient heat is generated to heat the shape memory member to its transition temperature so that it deforms from a distorted shape toward its original shape.