Propeller shaft and yoke structure of universal joint used for the propeller shaft
US9605716B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Apr 8, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D3/405
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A propeller shaft has a first yoke having a fixing portion, a pair of first bifurcated yoke portions extending from one end portion of the fixing portion in an axial direction, and a first bearing hole formed at each first yoke portion and securing therein a first bearing that holds a cruciform shaft; a second yoke coupled to the first yoke through the cruciform shaft and secured to a predetermined member, and having a mounting flange, and a bolt insertion hole which is formed at the mounting flange and into which a bolt to secure the second yoke to the predetermined member is inserted; and a securing member securing the mounting flange of the second yoke to the predetermined member through the bolt by a fastening tool. Each first yoke portion is provided with a first concave portion that slides thereon an outer circumferential surface of the fastening tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.