Light barrier

US7085471B2 · kind B2 · utility

Assignee

• SICK AG · DE

Inventors

• Guenter Boeckel · Waldkirch, DE
• Ralf Friedrich · Herzogenaurach, DE
• Christof Meyer · Waldkirch, DE
• Martin Wuestefeld · Waldkirch, DE

Key dates

• Filing date: Mar 10, 2005
• Grant date: Aug 1, 2006
• Expiry date: Mar 10, 2025

Classification

• Technology area (CPC G): Physics
• CPC primary: G01V8/20
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A strip-like housing of a light grid has two side walls that extend over its entire housing length and that are joined together by cross braces. The cross braces form a honeycomb structure, in which the transmitting and receiving elements of the light grid are installed.