Electrode mounting in an arc lamp for use in light fastness test

Details Electrode mounting in an arc lamp for use in light fastness test Electrode mounting in an arc lamp for use in light fastness test

1975-10-31

1977-01-25

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Rods

313238, 313267, 13 15, 13 16, 314 51, 314101, 314113, H01J 100, H01J 1704, H01J 1900

Patent

active

040053261

ABSTRACT:
A carbon arc lamp for use in a light fastness tester and other similar testers, and having a metal rod extending from a carbon electrode mounting part in the upper part of the lamp down to a point just below an upper metal plate. A portion of the rod is engaged by a ring clutch which is connected to an automatic feed control for the carbon electrode. The lower end of the metal rod has the upper end of the carbon electrode mounted thereon by a threaded connection.

REFERENCES:
patent: 824153 (1906-06-01), Seward
patent: 1238277 (1917-08-01), Dinsmoor
patent: 2151194 (1939-03-01), Desormeaux
patent: 2286755 (1942-06-01), Morton et al.
patent: 2438803 (1948-03-01), Graham
patent: 2449341 (1948-09-01), Tanson
patent: 2450477 (1948-10-01), Huff
patent: 3727095 (1973-04-01), Hesselmann

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