Patent Number: 7,085,471

Title: Light barrier

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.

Inventors: Boeckel; Guenter (Waldkirch, DE), Friedrich; Ralf (Buggingen, DE), Meyer; Christof (Gutach, DE), Wuestefeld; Martin (Sexau, DE)

Assignee: Sick AG

International Classification: G02B 6/00 (20060101)

Expiration Date: 8/01/02018