Patent · US Expired

Switch for rail points

US4093163A · kind A · utility

14Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 11, 1977
Grant dateJun 6, 1978
Priority date
Expiry dateJan 11, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61L7/061
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In a switch for rail points arranged to move two rails interconnected at one of their free ends, between two end positions in engagement with the inner face of one of two rails of e.g. a railroad track, a box girder having the configuration and dimensions of a conventional sleeper supporting the rail track, the box girder housing an electrically driven mechanism arranged to effect the movement of the two rails to the end positions thereof, and also a mechanism arranged to indicate when the two rails assume their intended end positions.

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