Rail switch

US4168817A · kind A · utility

Assignee

• Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesellschaft · AT

Inventors

• Robert Pirker · Zeltweg, AT
• Hannes Lindner · Leoben, AT

Key dates

• Filing date: Dec 2, 1977
• Grant date: Sep 25, 1979
• Expiry date: Dec 2, 1997

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E01B7/14
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A rail switch in which two wing rails are engageable with a frog in alternation, characterized in that guide members are provided, which are held in position relative to the wing rails and extend under and are engageable with the frog or parts rigidly connected to the frog to prevent an upward movement of said guide members.