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:
Jan. 31, 2012
Filed:
Sep. 14, 2009
Masami Yamazaki, Ueda, JP;
Keisuke Furuichi, Ueda, JP;
Hiroki Katou, Ueda, JP;
Sanyo Seimitsu Co., Ltd., Ueda-shi, JP;
Abstract
A reciprocating vibrator able to prevent detachment of a spindle even without an outer cover, that is, a vibration linear actuator provided with a ring-shaped weighthaving a permanent magnetat its inner circumference side, a first plate springfastened to a first end faceof this weightat outer circumference side tail parts,, a second plate springfastened to a second end faceof the weightat outer circumference side tail parts,, and a stator supporting the first and second plate springsand having an excitation coilgenerating a reciprocating vibrating magnetic field with respect to the weightat an inner circumference side of the permanent magnet, wherein the stator further has a metal end platefastening the second plate springby the ring-shaped plate part
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile