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:
Aug. 07, 1990
Filed:
Oct. 24, 1988
David F Haman, Waukegan, IL (US);
Outboard Marine Corporation, Waukegan, IL (US);
Abstract
A marine propulsion device comprising a propulsion unit including a gearcase having a cylindrical inner surface centered on an axis, a propeller shaft which is located inside the inner surface, which is supported by the gearcase for rotation about the axis, and which has a rearward end adapted to have mounted thereon a propeller, and an annular oil seal extending between the propeller shaft and the inner surface, and a mechanism for protecting the oil seal from foreign matter, the mechanism including an annular member fixed on the propeller shaft, located between the oil seal and the rearward end of the propeller shaft, and spaced from the oil seal, the member having a generally circular outer surface spaced closely adjacent the inner surface and having a beveled surface portion facing the rearward end of the propeller shaft.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile