Splined and threaded shaft for marine drive
US10850822B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2019 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Jun 30, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H20/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller shaft includes a cylindrical outer surface having a series of external splines formed thereupon and having a series of external threads formed in the series of external splines. The series of external splines engages with a mating series of internal splines on a driven gear. The series of external threads engages with a mating series of internal threads on a nut that holds the driven gear axially in place on the propeller shaft. A shaft for a marine drive unit and a marine drive assembly are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.