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US4370587A Expired / Lapsed US ⏱️ 0.0 years remaining

Lamp/reflector unit

Assignee: US Philips Corp
•
Filing: 1980-11-21
•
Granted: 1983-01-25
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Expires: 2000-11-21
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Abstract

Abstract In a lamp/reflector unit according to the invention the pinch seal (6) of an electric lamp (4) is enclosed laterally between moulded members (10, 11) and accommodated with said moulded members (10, 11) in the necked portion (2) of a reflector body (1). The surface of the pinch seal (6) has a groove (12) which is in engagement with rib (13) on one of the moulded members (10) and keeps the lamp (4) locked against axial movement. The necked portion (2) of the reflector body (1) keeps the lamp (4) with the moulded members (10, 11) fixed.

Inventors

  • 👤 Victor R. Notelteirs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:22
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0005

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 146 words
A lamp/reflector unit comprising a metal reflector body having a necked portion near the apex of a concave reflecting portion and also comprising an electric lamp having a glass lamp envelope with a pinch seal in which current supply conductors are embedded which extend from outside the lamp envelope to an electric element accommodated inside the lamp envelope, which pinch seal is fixed in the necked portion of the reflector body, characterized in that the pinch seal of the lamp envelope is enclosed laterally between at least two moulded members, the surface of the pinch seal is provided with a profiled portion which is in engagement with counter-profiled portion on at least one of the moulded members and keeps the lamp locked against axial movement, and that the necked portion of the reflector body keeps the lamp with the moulded members fixed in the reflector body.
Claim 2
Dependent Claim 146 words
A lamp/reflector unit comprising a metal reflector body having a necked portion near the apex of a concave reflecting portion and also comprising an electric lamp having a glass lamp envelope with a pinch seal in which current supply conductors are embedded which extend from outside the lamp envelope to an electric element accommodated inside the lamp envelope, which pinch seal is fixed in the necked portion of the reflector body, characterized in that the pinch seal of the lamp envelope is enclosed laterally between at least two moulded members, the surface of the pinch seal is provided with a profiled portion which is in engagement with counter-profiled portion on at least one of the moulded members and keeps the lamp locked against axial movement, and that the necked portion of the reflector body keeps the lamp with the moulded members fixed in the reflector body.
Claim 3
Dependent Claim 35 words
A lamp/reflector unit as claimed in claim 1, characterized in that at least one of the moulded members has a flange which bears against the free end of the necked portion of the reflector body.
Claim 4
Dependent Claim 33 words
A lamp/reflector unit as claimed in claim 1 or 2, characterized in that the necked portion of the reflector body is indented into a recess in at least one of the moulded members.
Claim 5
Dependent Claim 22 words
A lamp/reflector unit as claimed in claims 1 or 2, characterized in that the moulded members consist of an electrically insulating material.
Claim 6
Dependent Claim 17 words
A lamp/reflector unit as claimed in claim 4, characterized in that the moulded members consist of ceramic.
Claim 7
Dependent Claim 26 words
A lamp/reflector unit as claimed in claim 4, characterized in that the moulded members enclose the current supply conductors of the lamp in a clamping manner.
Claim 8
Dependent Claim 33 words
A lamp/reflector unit as claimed claims 1 or 2, characterized in that the moulded members are coupled together by at least one recess and a rib which are in engagement with each other.

References Cited (Backward Citations)

US4039878A Cited
US4156271A Cited
US4316240A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-01-24 1986-07-26 1987-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-01-24 1990-07-26 1991-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-01-24 1994-07-26 1995-01-25 $7700.00 Window Closed / Lapsed

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