IIIH
US006554441B2
(12) United States Patent ao) Patent No.: us 6,554,441 B2
Rohlfing et al. (45) Date of Patent: Apr. 29,2003
US 2003/0043585 Al Mar. 6, 2003
Related U.S. Application Data
(63) Continuation-in-part of application No. 09/946,106, filed on Sep. 4, 2001.
(30) Foreign Application Priority Data
Aug. 31, 2001 (DE) 201 14 306
(51) Int. CI.7 B64D 47/06
(52) U.S. CI 362/35; 362/282; 362/216;
362/302; 362/340; 362/981
(58) Field of Search 362/35, 277, 282,
362/322, 323, 343, 216, 800, 545, 298,
302; 340/981, 983
(56) References Cited
U.S. PATENT DOCUMENTS
3,596,237 A * 7/1971 Barber et al 313/594
The invention relates to a lighting installation, in particular as a danger light, obstruction light or day and night marker, having at least one luminaire, with at least one lighting means (13) being arranged in a housing. According to the invention, the lighting means (13) is annular or semi-annular in design and defines a ring axis (19). Furthermore, the lighting means (13) is assigned at least one reflector surface (11) which encircles an axis of rotation (21) entirely or in part. Finally, ring axis and axis of rotation run essentially parallel or even coaxial to one another.
18 Claims, 10 Drawing Sheets
