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:
Jul. 13, 1999

Filed:

Dec. 17, 1997
Applicant:
Inventor:

Chia-Wei Ho, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47G / ;
U.S. Cl.
CPC ...
2482065 ; 248688 ;
Abstract

A footing structure including a plurality of recess holes at a bottom side of a hub, each recess hole having two springy retaining pieces at two opposite sides, and a plurality of metal receptacles respectively mounted in the recess holes and holding a respective magnetic element therein, each metal receptacle having two flanges extended from two opposite side notches thereof and respectively forced into engagement with the springy retaining pieces of the corresponding recess hole.


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