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:
Mar. 24, 2015
Filed:
Jan. 24, 2013
Applicant:
Goodrich Actuation Systems Limited, Solihull, GB;
Inventors:
Andrew Robert Hawksworth, Newport, GB;
John H. Harvey, Wolverhampton, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/30 (2006.01); B64C 25/50 (2006.01); F16H 25/20 (2006.01); F16H 55/26 (2006.01); F16H 25/22 (2006.01);
U.S. Cl.
CPC ...
B64C 25/50 (2013.01); F16H 25/20 (2013.01); F16H 55/26 (2013.01); F16H 25/2252 (2013.01); F16H 2025/2075 (2013.01);
Abstract
An actuator comprises a shaftarranged to be driven for rotation by an electrically powered motor, a sleeveencircling at least part of the shaftand carrying a toothed rack formation, and a low friction screw couplingbetween the shaftand the sleeveand arranged such that rotation of the shaftdrives the sleevefor axial movement, wherein the low friction screw couplingis adjacent and aligned with the rack formation