Detection device for operating an automatic door

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevation of a detection device for operating an automatic door showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a right side elevation thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D39736 December 1908 Murray
D253526 November 27, 1979 Bouchard et al.
D254197 February 12, 1980 Ewald
D275101 August 14, 1984 Read
D286383 October 28, 1986 Kotlicki et al.
D296531 July 5, 1988 Kotlicki et al.
Patent History
Patent number: D339107
Type: Grant
Filed: May 10, 1991
Date of Patent: Sep 7, 1993
Assignee: Belgian Electronic Research S.A. (Jemeppe-Sur-Meuse)
Inventor: Michel Van Genechten (Liege)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Ladas & Parry
Application Number: 7/699,303
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158); D10/106