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.:
Date of Patent:
May. 09, 2000
Filed:
Sep. 02, 1998
Applicant:
Inventor:
Jean Thierry Audren, St Remy les Chevreuse, FR;
Assignee:
SFIM Industries, Massy, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
31032302 ; 31032304 ; 310328 ; 310331 ;
Abstract
A vibration motor includes in a casing at least two pairs of stator plates which comprise tangential deformation active members and two rotor disks between the plates of respective pairs. Active members for generating a normal force extend between the facing plates of both pairs. A spring arrangement is disposed between the pairs of plates and the casing.