Patent · US Expired

Integrally formed gear set with a plurality of gears

US7118505B2 · kind B2 · utility

12Cited by
4References
2Claims
0Family size

Inventor

Key dates

Filing dateOct 24, 2003
Grant dateOct 10, 2006
Priority date
Expiry dateDec 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.