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. 27, 1990
Filed:
May. 23, 1989
Tadao Isono, Kokubunji, JP;
Yasuaki Sekiguchi, Sayama, JP;
Mamiya Denshi Co., Ltd., , JP;
Abstract
Disclosed is a table driving apparatus adapted for use with an automatic mounting apparatus or assembling robot comprising a working table movable in at least one direction, and a direct-drive motor having a rotary arm. A mechanism is provided for mechanically coupling the working table and the rotary arm in such a manner that turning movement of the arm can be converted into linearly sliding movement of the working table along the one direction. The direct-drive motor is coupled with the working table with such a small compliance that the resonance frequency of a statem including the direct-drive motor and a load coupled therewith lies out of a frequency range within which the direct-drive motor is operable. This arrangement assures a rigid coupling between the firect-drive motor and the working table with a small compliance, so that the resonance frequency becomes muxh higher than otherwise coupled, thus enabling a stable and precise driving of the working table.