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:
May. 20, 1986
Filed:
Jun. 22, 1984
Applicant:
Inventors:
Kyoji Kobayashi, Chigasaki, JP;
Atsushi Inagaki, Zama, JP;
Assignee:
Jidosha Denki Kogyo Kabushiki Kaisha, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ; F16H / ; F16H / ;
U.S. Cl.
CPC ...
74458 ; 74427 ; 74425 ; 744247 ;
Abstract
A reduction motor shaft used, for example, in a wiper motor is disclosed, which is provided with screw type double worms constituting a reduction mechanism part. In this reduction motor shaft, right-handed and left-handed screw type worms are coaxially formed in one end side of the shaft as plural-thread screws at a linked state of tooth profiles of both worms, and further an annular protrusion is formed in a threading boundary between the worms.