Patent · US Expired

Ring-shaped machine part

US4848938A · kind A · utility

25Cited by

5References

3Claims

0Family size

Assignee

AKTIEBOLAGET SKF · SE

Inventors

Roland Haas · Lendershausen, DE
Manfred Brandenstein · Aschfeld, DE
Gerhard Herrmann · Schweinfurt, DE
Karl Thurn · Obertheres, DE

Key dates

Filing date	Oct 9, 1987
Grant date	Jul 18, 1989
Priority date	—
Expiry date	Oct 9, 2007

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C19/06
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A ring-shaped machine part of relatively hard material with an essentially cylindrical seating surface which has at least one ring-shaped milled section on which a machine part of relatively soft material with a corresponding seating surface can be seated coaxially in a form-locking manner. The milled section is provided on at least one axial end of the hard machine part and extends, starting from the cylindrical seating surface, to the end surface.

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