WILLIAM E HATCH
Land Surveyors in Marblehead, MA
License number
Massachusetts 4151
Expiration Date
Jun 30, 1984
Type
Land Surveyor
Address
Address
Marblehead, MA 01945
Professional information
Flash Lamp Assembly Having Heat-Responsive Indexing Members
US Patent:
4158493, Jun 19, 1979
Filed:
Mar 6, 1978
Appl. No.:
5/883453
Inventors:
Timothy Fohl - Carlisle MA
William E. Hatch - Marblehead MA
William E. Hatch - Marblehead MA
Assignee:
GTE Sylvania Incorporated - Stamford CT
International Classification:
G03B 1503, G03B 1502
US Classification:
354144
Abstract:
An elongated flash lamp assembly which is sequentially advanced through a camera to permit each of the lamps within the assembly to become aligned with the camera's fixed reflector. Several heat-responsive (e. g. fusible) covers are located on the assembly's housing to permit the above advancement only after each cover has become physically deformed by the heat from the respective flash lamp located adjacent thereto. A mechanism for advancing the assembly is also disclosed.