US3648044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for a capless light bulb
Assignee: ZF International UK Ltd
•
Filing: 1969-12-15
•
Granted: 1972-03-07
•
Expires: 1989-12-15
Abstract
Abstract A holder for a capless light bulb constructed so as to permit light from a capless light bulb held by the holder to emanate from both the bulbous portion and the pinched portion of the capless light bulb. Indicator apparatus incorporating such a holder is also described.
Inventors
- 👤 Dominic Paul Edward Barnard
- 👤 Brian L H Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/09
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
213 words
In combination, an electrically energizable capless light bulb comprising a translucent bulbous portion, a translucent pinched portion and supply leads projecting from the pinched portion and bent back upon themselves over the exterior of said pinched portion to constitute terminals of the capless light bulb; a holder for said bulb comprising a body of electrically insulating material having a first region adjacent the bulbous portion of said capless light bulb and having a second region adjacent the pinched portion of said capless light bulb, contact strips in said holder in electrical contact with the terminals of the capless light bulb and having means mounting them in said body to retain the capless light bulb in said body, first means defining a first window disposed in the vicinity of said first region to permit light from the bulbous portion of said capless light bulb, when said bulb is electrically energized, to emanate from said first region and be visible as a first beam, and second means defining a second window disposed in the vicinity of said second region to permit light from the pinched portion of said capless light bulb, when said bulb is electrically energized, to emanate from said second region and be visible as a second beam distinct from said first beam.
Claim 2
Dependent Claim
213 words
In combination, an electrically energizable capless light bulb comprising a translucent bulbous portion, a translucent pinched portion and supply leads projecting from the pinched portion and bent back upon themselves over the exterior of said pinched portion to constitute terminals of the capless light bulb; a holder for said bulb comprising a body of electrically insulating material having a first region adjacent the bulbous portion of said capless light bulb and having a second region adjacent the pinched portion of said capless light bulb, contact strips in said holder in electrical contact with the terminals of the capless light bulb and having means mounting them in said body to retain the capless light bulb in said body, first means defining a first window disposed in the vicinity of said first region to permit light from the bulbous portion of said capless light bulb, when said bulb is electrically energized, to emanate from said first region and be visible as a first beam, and second means defining a second window disposed in the vicinity of said second region to permit light from the pinched portion of said capless light bulb, when said bulb is electrically energized, to emanate from said second region and be visible as a second beam distinct from said first beam.
Claim 3
Dependent Claim
28 words
A holder as claimed in claim 1, wherein said body is a moulding of opaque plastics material and said second means defining said second window comprises an aperture.
Claim 4
Dependent Claim
23 words
A holder as claimed in claim 1, wherein said second means defining said second window is a wall moulded of translucent plastics material.
Claim 5
Dependent Claim
16 words
A holder as claimed in claim 3, wherein said wall is moulded integrally with said body.
Claim 6
Dependent Claim
17 words
A holder as claimed in claim 3, wherein said wall forms part of a light transmission element.
Claim 7
Dependent Claim
254 words
Indicator apparatus for visually indicating to an observer a condition in equipment to which the indicator apparatus is connected, comprising a casing having a front wall; a window in said front wall having small area portions; holder means retaining therein a plurality of electrically energizable capless light bulbs each of which comprises a bulbous portion, a pinched portion and supply leads projecting from the pinched portion and bent back upon themselves over the exterior of the pinched portion to constitute terminals of that capless light bulb; and means mounting said holder means within said casing to position each of said capless light bulbs rearwardly of an associated one of said small area portions, said holder means comprising for each said capless light bulb a body That is a moulding of opaque plastics material having a first region disposed remotely from said front wall adjacent the bulbous portion of that capless light bulb and having a second region disposed adjacent said front wall and adjacent the pinched portion of that capless light bulb, said body being apertured in the vicinity of both said first and second regions and in substantial alignment with one of said small area portions to permit light from any one of said capless light bulbs when electrically energized to emanate in one direction from said first region as a first beam, and to emanate in an opposite direction from said second region as a second distinct beam that is visible to an observer through said one of the small area portions.
Claim 8
Dependent Claim
254 words
Indicator apparatus for visually indicating to an observer a condition in equipment to which the indicator apparatus is connected, comprising a casing having a front wall; a window in said front wall having small area portions; holder means retaining therein a plurality of electrically energizable capless light bulbs each of which comprises a bulbous portion, a pinched portion and supply leads projecting from the pinched portion and bent back upon themselves over the exterior of the pinched portion to constitute terminals of that capless light bulb; and means mounting said holder means within said casing to position each of said capless light bulbs rearwardly of an associated one of said small area portions, said holder means comprising for each said capless light bulb a body That is a moulding of opaque plastics material having a first region disposed remotely from said front wall adjacent the bulbous portion of that capless light bulb and having a second region disposed adjacent said front wall and adjacent the pinched portion of that capless light bulb, said body being apertured in the vicinity of both said first and second regions and in substantial alignment with one of said small area portions to permit light from any one of said capless light bulbs when electrically energized to emanate in one direction from said first region as a first beam, and to emanate in an opposite direction from said second region as a second distinct beam that is visible to an observer through said one of the small area portions.
Claim 9
Dependent Claim
67 words
Indicator apparatus according to claim 6, wherein said casing contains reflecting means generally facing said front wall and said window has a relatively larger area portion to permit light from said one electrically energized capless light bulb to emanate from said first region inwardly of said casing and be reflected by said reflecting means outwardly of said casing to be visible through said relatively larger area portion.
Claim 10
Dependent Claim
26 words
The structure of claim 1, wherein said body is a moulding of opaque plastics material and said first means defining a first window comprises an aperture.
Claim 11
Dependent Claim
219 words
An indicator apparatus for visually indicating to an observer a condition in equipment to which the indicator apparatus is connected, comprising: a casing having a front wall; a window in said front wall having a first portion and a plurality of distinct second portions which are each of smaller area than the area of said first portion; a plurality of electrically energizable light sources mounted within said casing adjacent said plurality of second window portions respectively, each of said light sources comprising a capless light bulb having a translucent bulbous portion and a translucent pinched portion from which supply leads extend outwardly and overlie the pinched portion to constitute terminals of the capless light bulb; and means for electrically connecting said terminals to the equipment for energization of a selected one of said light sources when a predetermined condition is present in the equipment whereby, upon energization, a part of the light emitted by any one light source will emanate from its bulbous portion and be visible as a first beam of light through said first window portion and a remaining part of the light emitted by said light source will emanate from its pinched portion and be visible as a second beam of light specific to the condition through the second window portion associated with that light source.
Claim 12
Dependent Claim
219 words
An indicator apparatus for visually indicating to an observer a condition in equipment to which the indicator apparatus is connected, comprising: a casing having a front wall; a window in said front wall having a first portion and a plurality of distinct second portions which are each of smaller area than the area of said first portion; a plurality of electrically energizable light sources mounted within said casing adjacent said plurality of second window portions respectively, each of said light sources comprising a capless light bulb having a translucent bulbous portion and a translucent pinched portion from which supply leads extend outwardly and overlie the pinched portion to constitute terminals of the capless light bulb; and means for electrically connecting said terminals to the equipment for energization of a selected one of said light sources when a predetermined condition is present in the equipment whereby, upon energization, a part of the light emitted by any one light source will emanate from its bulbous portion and be visible as a first beam of light through said first window portion and a remaining part of the light emitted by said light source will emanate from its pinched portion and be visible as a second beam of light specific to the condition through the second window portion associated with that light source.
References Cited (Backward Citations)
US2703398A
Cited
US2843845A
Cited
US2961631A
Cited
US2998597A
Cited
US3080554A
Cited
US3292174A
Cited
US3233033A
Cited
US3210876A
Cited
FR1480168A
Cited
US3508257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |