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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.:

US 5872407 B1

PDFFull Text
Date of Patent:
Feb. 16, 1999

Filed:

Mar. 29, 1996

Linear motor

Applicant:
Inventors:

Toshio Kitaoka, Toyokawa, JP;

Makato Izawa, Kariya, JP;

Yasuhiro Matsumoto, Toyokawa, JP;

Katsuhiro Nanba, Okazaki, JP;

Assignee:

Minolta Co., Ltd., Osaka, JP;

Attorney:

Burns, Doane, Swecker & Mathis, LLP

Primary Examiner:

Steven L Stephan

Assistant Examiner:

Judson H Jones

Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 12 ; 310 / ;
Abstract

A linear motor has a stator and a movable piece. The stator has a field magnet for propulsion. The movable piece has a bobbin which includes a cylindrical member wrapping around the stator, an armature coil which is located around the bobbin, and a yoke which is attached around the armature coil. A groove is formed on the cylindrical member. At the bottom of the groove, a sensor is arranged for detecting the strength of the magnetic field from the field magnet.

Find Patent Forward Citations

Kitaoka, Toshio. (1999). Linear motor (U.S. Patent No. 5872407). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5872407

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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