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:
May. 10, 2011

Filed:

Apr. 24, 2007
Applicant:

Yong Goo Lee, Sungnam-si, KR;

Inventor:

Yong Goo Lee, Sungnam-si, KR;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is a magnetic chuck that is chiefly used for machining tools. The magnetic chuck has a structure in which an accommodation hole () is formed to pass through a chuck main body (), a first magnetic element () is exposed in the direction of the top surface of the chuck main body (), and an AlNiCo magnet () is exposed in the direction of the bottom surface of the chuck main body (), so that respective objects (and) to be attached can be attached to two opposite surfaces of the magnetic chuck (), with the result that the magnetic chuck () can be used in various ways. Furthermore, the lateral part () of the chuck main body () is not unnecessary, so that the weight of the magnetic chuck () itself is greatly reduced and thus the product cost is reduced, the thickness of the magnetic chuck () is reduced, and convenience of use can be greatly improved.


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