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:
Aug. 28, 2012

Filed:

Mar. 31, 2008
Applicant:

Chia-hao Hsu, Pingtung, TW;

Inventor:

Chia-Hao Hsu, Pingtung, TW;

Assignee:

ADDA Corporation, Pingtung, Pingtung, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/64 (2006.01);
U.S. Cl.
CPC ...
Abstract

A stack of fan case in accordance with the present invention includes a first casing and a second casing stacked on the first casing. The first casing has a first surface, a second surface and a locking surface opposite to the second surface. An insertion bore formed on the second surface has an alignment bore, a fastening bore communicating to the alignment bore and a limit bump formed at the fastening bore. The second casing has a third surface, a fourth surface and at least one fastening member protruding on the fourth surface. The fastening member of the second casing is inserted into the alignment bore of the insertion bore to protrude on the locking surface of the first casing, and then casings are turned to make the fastening member pass through the limit bump and be accommodated within the fastening bore.


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