Flat motor having a rotatable shaft, a stepped portion formed in said shaft, and apparatus for producing same
US4829208A · kind A · utility
21Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Oct 23, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat motor device in which resin is molded around a knurling portion to thereby form a rotor hub, the rotor hub being projected outwardly of a casing, a shaft projected from the rotor hub is formed with a small diameter threaded portion so as to create an offset portion in a shaft body portion, and a fan is directly mounted on the end surface of the rotor hub, the offset portion is formed in the shaft being utilized to easily manufacture, a flat motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.