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:
Dec. 09, 2008
Filed:
Jul. 14, 2004
Toshiki Maruyama, Nagano, JP;
Akihiro Yokoyama, Nagano, JP;
Toshiki Maruyama, Nagano, JP;
Akihiro Yokoyama, Nagano, JP;
Harmonic Drive Systems Inc., Tokyo, JP;
Abstract
A flat, hollow brushless servomotor () has a motor housing (), housing through holes () formed in a center of both end plate portions (), a rotor shaft () of which a portion of both ends is exposed from the through holes, a tool-mounting hole () that extends through a center thereof, and workpiece insertion recesses () formed in an external surface of both end plate portions () of the motor housing () by reducing the thickness thereof. A workpiece with a shape that has facing portions facing each other across a narrow space can be introduced from an outside to a center of the motor () along the workpiece insertion recesses, and the facing portions of the workpiece can be machined by a tool mounted in the center of the motor.