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. 29, 2012
Filed:
Oct. 21, 2009
Applicants:
Masamichi Miyazawa, Anjo, JP;
Masayoshi Hiraiwa, Anjo, JP;
Inventors:
Masamichi Miyazawa, Anjo, JP;
Masayoshi Hiraiwa, Anjo, JP;
Assignee:
Makita Corporation, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a gear chamber, a sealing memberis attached to a rotary shaftof an electric motor, and a grease return partis provided on this sealing member. Thus, grease raked by a helical gearis blown off diagonally forward with respect to a radial direction as a result of a centrifugal force, and it is possible to prevent the grease from leaking out of a ball bearing
Miyazawa, Masamichi. (2012). Sealing device for gear chamber (U.S. Patent No. 8186689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8186689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile