Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE484190ApublicationCriticalpatent/BE484190A/xx
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
B23Q17/2404—Arrangements for improving direct observation of the working space, e.g. using mirrors or lamps
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05B—SEWING
D05B79/00—Incorporations or adaptations of lighting equipment
Landscapes
Engineering & Computer Science
(AREA)
Textile Engineering
(AREA)
Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Mechanical Engineering
(AREA)
Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
(AREA)