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:
Aug. 08, 2006
Filed:
Nov. 16, 2004
Applicants:
Hidetoshi Hayashi, Ohbu, JP;
Kazuyoshi Umeda, Ohbu, JP;
Inventors:
Hidetoshi Hayashi, Ohbu, JP;
Kazuyoshi Umeda, Ohbu, JP;
Assignee:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 13/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compact motorized roller, which is usable in a wide temperature range with high reliability and is manufactured at low cost. The motorized roller has a motor in a roller body. The motor can rotate the roller body. In such a motorized roller, the motor is a brushless DC motor, and a resolver is installed as a magnetic pole position detector of the brushless DC motor.