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:
Nov. 23, 2004
Filed:
Mar. 19, 2003
Tetsuo Muraji, Kanagawa, JP;
Mikuni Corporation, Tokyo, JP;
Abstract
The present driving apparatus comprises a torque motor as a driving source, and a gear train which transmits rotation of a motor shaft of the torque motor to a driven shaft, wherein the gear train comprises a non-circular driving gear which is attached to the motor shaft and a non-circular driven gear which is attached to the driven shaft and engaged with the non-circular driving gear. When the motor shaft rotates by supplying electric power to the torque motor, the rotation is transmitted to the non-circular driven gear via the non-circular driving gear, so that the driven shaft rotates. Here, the torque of the torque motor is transmitted to the driven gear while it is increased or decreased in accordance with rotating positions. In this manner, the driving apparatus with a torque motor can provide desired torque at any rotating position.