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:
Sep. 14, 2004
Filed:
Nov. 01, 2002
Applicant:
Inventors:
Masaru Yamasaki, Chiyoda, JP;
Kenichiro Tokuo, Chiyoda, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Naoyuki Ozaki, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 1/100 ; F16D 1/360 ;
U.S. Cl.
CPC ...
F16D 1/100 ; F16D 1/360 ;
Abstract
A coupling means is provided to act to apply a thrust force generated on a helical gear to a stopper for first transmission members and second transmission members to thereby suppress looseness in the stopper.