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:
Jul. 01, 1997
Filed:
Sep. 25, 1995
Applicant:
Inventors:
Steven J Foley, Stoneham, MA (US);
Joseph A Michaud, Peabody, MA (US);
Assignees:
Teijin Seiki Boston, Inc., Peabody, MA (US);
Harmonic Drive Technologies, Peabody, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ;
U.S. Cl.
CPC ...
74640 ;
Abstract
The present invention comprises a harmonic drive transmission assembly for use in contamination free manufacturing fields such as computer chip making. The harmonic drive unit includes a flexspline having a diaphragm at one end and an outwardly flared lip adjacent its other end which is integrally connected to a mounting flange. The flexspline including the diaphragm and mounting flange are all integral with one another, all being machined from a single piece of steel bar stock.