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