Gear and method for making the same

US4589860A · kind A · utility

Assignee

• SKF Kugellagerfabriken GmbH · DE

Inventors

• Manfred Brandenstein · Aschfeld, DE
• Roland Haas · Lendershausen, DE
• Gerhard Herrmann · Schweinfurt, DE
• Herbert Dobhan · Bergrheinfeld, DE
• Rudiger Hans · Niederwerrn, DE

Key dates

• Filing date: May 31, 1984
• Grant date: May 20, 1986
• Expiry date: May 31, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/19963
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Gear for chain drives comprising a gear body of cast material having a hub section, a gear rim section with spur teeth, and a web section joining said hub and gear rim sections, and a ring plate of metal embedded in the web section, the outer edge of said plate being near the bottom of the areas between the spur teeth and having axial openings filled with casting material around its periphery, said ring plate having at its outer radial edge, radially outwardly directed projections, which are located in each case in a tooth, and which are embedded in the casting material of the gear body, said projections extending beyond the bottom of the spaces between adjacent spur teeth, and an axial opening formed in the ring plate adjacent each projection and radially below it.