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.:

US 9384880 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 05, 2016

Filed:

Nov. 13, 2014
Applicant:

Technische Universiteit Eindhoven, Eindhoven, NL;

Inventors:

Bob van Ninhuijs, Panningen, NL;

Bart Ludo Jozef Gysen, Enschede, NL;

Jacob Willem Jansen, Waalre, NL;

Elena Andreevna Lomonova, Eindhoven, NL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/02 (2006.01); A61F 5/01 (2006.01);
U.S. Cl.
CPC ...
H01F 7/0231 (2013.01); H01F 7/02 (2013.01); H01F 7/0205 (2013.01); H01F 7/0215 (2013.01); A61F 5/01 (2013.01);
Abstract

A magnetic positioning device is provided that includes a first cup-shape permanent magnet having at least one permanent magnet segment conforming to the first cup-shape, where the first cup-shape permanent magnet has a first polarity, a second cup-shape permanent magnet that includes at least one permanent magnet segment conforming to the second cup-shape, where the second cup-shape permanent magnet segment has a second polarity, where the second cup-shape permanent magnet is disposed concentric to the first cup-shape permanent magnet, where the first polarity is the opposite of the second polarity or the first polarity is the same as the second polarity, where a gap separates the first cup-shape permanent magnet from the second cup-shape permanent magnet, and a connection feature, where the connection feature is disposed on the second cup-shape permanent magnet, where the connection feature is configured to connect a lever arm to the second cup-shape permanent magnet.


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van Ninhuijs, Bob. (2016). Gravitation compensation using a spherical magnetic spring (U.S. Patent No. 9384880). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9384880

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