Integrally formed gear set with a plurality of gears
US7118505B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Oct 24, 2003 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Dec 8, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/105
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An integrally formed gear set with a plurality of gears comprises a first, a second and a third gear. Each gear has a plurality of teeth and a plurality of recess portions. The teeth and recess portions are alternatively arranged. The first, second and third gears are formed by a sheet which is firstly formed as a stepped structure containing three layers which are the first gear, second gear and third gears; the rings between two gears are formed with a plurality of teeth which are bent to be at the same plane of the second and third gears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.