Electric lamp and discharge devices – With envelope – Having base and connector
Patent
1996-05-14
1997-12-16
Powell, Mark R.
Electric lamp and discharge devices
With envelope
Having base and connector
439133, 439615, H01J 500
Patent
active
056989350
ABSTRACT:
A lampholder for shrouded low-wattage metal halide lamps which include a contact button on an extension of the lamp base to distinguish them from unshrouded lamps. A hub with walls and top is placed about the entrance to an additional cavity in the lampholder body. A socket contact is arranged to only make contact with the contact button at the end of an extension which is able to enter the cavity and not make contact with a contact button not on an extension which is prevented from entering the cavity.
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Leviton Manufacturing Co. Inc.
Powell Mark R.
Richardson Lawrence O.
Sutton Paul J.
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