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:
Jun. 01, 1999
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Katsuhiro Nanba, Okazaki, JP;
Masamitsu Ishiyama, Toyokawa, JP;
Tetsuya Kagawa, Toyokawa, JP;
Mitsutoshi Yagoto, Toyokawa, JP;
Makoto Izawa, Kariya, JP;
Toshio Kitaoka, Toyokawa, JP;
Yasuhiro Matsumoto, Toyokawa, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 12 ; 399208 ;
Abstract
A linear motor includes a rod-like stator having a field magnet, and a movable piece having an armature coil fitted around the field magnet and arranged inside a cylindrical movable piece yoke. The movable piece is provided at its opposite ends with bearings. The armature coil is arranged between the bearings. The cylindrical movable piece yoke is provided at ends of a lower portion in the gravity direction with projections extending in the movable piece moving direction.