Patent · US Expired

Apparatus for manufacturing and working of gears

US4689918A · kind A · utility

5Cited by

8References

12Claims

0Family size

Assignee

Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co. · DE

Inventors

Herbert Loos · Dorfen, DE
Manfred Erhardt · Puchheim, DE

Key dates

Filing date	Jan 6, 1986
Grant date	Sep 1, 1987
Priority date	—
Expiry date	Jan 6, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T409/107632
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Apparatus for the manufacture or working of the tooth system of straight or helically toothed, externally or internally toothed gears with a hyperboloidally or globoidally or similarly formed toothed tool, which has an abrasive surface or the like, wherein a crossed-axes angle is provided. The intermeshed workpiece-tool is guided by a pair of guide wheels. The working takes place on only one flank of a tooth. The workpiece or tool spindle is coupled with a reversible motor. A brake is provided on one of the spindles. A shiftable coupling and additional brakes or centrifugal masses can furthermore be provided.

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