Hi this is the patent for that motor. Got images too. http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&; u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1='5,594,289'.WKU.&OS=PN/5,594,289&RS= PN/5,594,289 searchable by patent number at http://www.uspto.gov/patft/index.html United States Patent 5,594,289 Minato January 14, 1997
United States Patent 5,594,289 (2).url