Patent · US Active

Splined and threaded shaft for marine drive

US10850822B1 · kind B1 · utility

0Cited by
19References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2019
Grant dateDec 1, 2020
Priority date
Expiry dateJun 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.