Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1990-06-18
1992-08-04
O'Shea, Sandra L.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
H01J 1728
Patent
active
051362040
ABSTRACT:
An electric lamp assembly includes a sealed lamp envelope, a lamp capsule located within the lamp envelope, a cylindrical, light-transmissive shroud surrounding the lamp capsule, and a mounting arrangement for supporting the lamp capsule and the shroud within the lamp envelope. The mounting arrangement includes one or two supports rods parallel to the axis of the shroud and first and second clips for retaining the shroud and the lamp capsule. The clips prevent both axial and lateral movement of the shroud. The clips are attached to the support rods, typically by welding. In a preferred embodiment, a single clip at each end of the shroud retains both the shroud and the lamp capsule, and requires only a single weld to the support rod.
REFERENCES:
patent: 2080919 (1937-05-01), Ihln et al.
patent: 2972693 (1961-02-01), Rosenberg
Bazin Simone P.
Lekebusch Ronald C.
Mathieu Norman A.
Muzeroll Martin E.
Nortrup Edward H.
GTE Products Corporation
O'Shea Sandra L.
Romanow Joseph S.
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