Contoured transparent cover for a photoelectric switch

- Break-A-Beam, Inc.
Description

FIG. 1 is a perspective of the contoured transparent cover for a photoelectric switch;

FIG. 2 is a top view of the contoured transparent cover;

FIG. 3 is a right-hand side view of the contoured transparent cover;

FIG. 4 is a left-hand side view of the contoured transparent cover;

FIG. 5 is a cross-sectional view of the contoured transparent cover taken along section lines 5--5 of FIG. 2;

FIG. 6 is a bottom view of the contoured transparent cover;

FIG. 7 is a front view of the contoured transparent cover;

FIG. 8 is a rear view of the contoured transparent cover; and,

FIG. 9 is a cross-sectional front view of the contoured transparent cover taken along section lines 9--9 of FIG. 6.

Referenced Cited
U.S. Patent Documents
2767284 October 1956 Moksu
4102471 July 25, 1978 Lore et al.
Patent History
Patent number: D346587
Type: Grant
Filed: Jun 11, 1992
Date of Patent: May 3, 1994
Assignee: Break-A-Beam, Inc. (Warren, MI)
Inventors: Jeffrey G. Herman (Lake Orion, MI), Mark C. Matzka (Rochester Hills, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Gifford, Groh, Sprinkle, Patmore and Anderson
Application Number: 7/897,512
Classifications