Patent · US Expired

Planetary gear

US7445576B2 · kind B2 · utility

0Cited by

7References

9Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Harald Eckert · Meckenbeuren, DE
Ulrich Kuchelmeister · Friedrichshafen, DE
Eckhard Förster · Bermatingen, DE

Key dates

Filing date	Sep 29, 2004
Grant date	Nov 4, 2008
Priority date	—
Expiry date	Sep 29, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T409/309464
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A planetary transmission, in particular for machine tools, with a drive shaft that is connected to a sun gear, with an output shaft that is connected to a planetary carrier and with an interior gear, that in a first operating position engages with the housing, and in the second operating position engages with the sun gear, with a hub that surrounds the drive shaft concentrically and with a sliding collar that surrounds the hub concentrically and that engages with the hub in an operating position. The sliding collar (5) engages in the loose end of the interior gear (4) with a centering diameter (7) concentrically located with the hub (6), which in the engaged position of the sliding collar (5) engages with the hub (6) in a concentric position with the hub's axle on its centering collar (8).

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