Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1992-10-15
1994-08-16
Yusko, Donald J.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313634, H01J 500
Patent
active
053390016
ABSTRACT:
An electric lamp having a light source capsule with a generally planar press seal, having two opposing major faces and two minor faces extending therebetween, includes an improved support strap for securing the seal to a frame support rod. The support strap includes a stiffly resilient strip of metal having two spaced and opposing major leg portions each extending in contact with a respective major seal face, an elastically deformable jaw portion substantially not in contact with a seal face, and end portions fixed to each other adjacent one of the seal faces. The elastically deformable portion is arranged such that with the strap end portions fixed to each other it is elastically deformed and firmly biases other portions of the support strap against at least two of the seal faces for holding the seal therebetween. The elastically deformable portion is dimensioned such that the seal is firmly held by the strap despite the usual lamp-to-lamp variations in seal dimensions which occur during high speed lamp manufacture, obviating the need for hand fitting or expensive and complicated strap fitting equipment.
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Dvorak Antonin J.
King Norman R.
Sip Jiri
North American Philips Corporation
Patel Nimesh D.
Wieghaus Brian J.
Yusko Donald J.
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