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:
Apr. 15, 2014

Filed:

Jan. 19, 2012
Applicant:

Oliver James Groves, Freeland, WA (US);

Inventor:

Oliver James Groves, Freeland, WA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66F 13/00 (2006.01); B66F 3/10 (2006.01); B66F 3/18 (2006.01); F01B 7/20 (2006.01); B66F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electromagnetic jack assembly. The jack has a first inner jack member having vertical walls, configured to slide within the base, the first inner jack member being nested within the base and having at least two walls connected to respective inside faces of the vertical walls of the base; a first linear magnetic drive assembly, comprising: a magnetic coil; and a magnet track, mounted on the base and the magnetic coil mounted on the first inner jack member or vice versa. The magnetic drive assembly forms the connection between the base and the first inner track. A second inner jack member nested within the first inner jack member and has a second linear magnetic drive assembly. The magnetic drive assembly forms the connection between the first and second inner track members.


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