Patent · US Active

Coaxial transmission

US8480528B2 · kind B2 · utility

18Cited by

2References

10Claims

0Family size

Assignee

Wittenstein AG · DE

Inventors

Thomas Wilhelm · Pasadena, US
Michael Schmidt · Gresham, US
Thomas Bayer · Igersheim, DE

Key dates

Filing date	Apr 14, 2008
Grant date	Jul 9, 2013
Priority date	—
Expiry date	Feb 24, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A coaxial transmission, especially a hollow shaft drive, comprising a driving element (7) and a driven element (3), a plurality of radially mobile toothed quadrants (5) providing a gear ratio and transmitting a driving torque between the driving element (7) and the driven element (3). An internal gear (1) or especially the housing for receiving the inner gearing of the internal gear (13) are configured as a multipart structure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.