US5077645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low voltage halogen lighting fixture
Assignee: Individual
•
Filing: 1991-05-15
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Granted: 1991-12-31
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Expires: 2011-05-15
Abstract
Abstract A low voltage halogen lighting fixture includes a threaded base portion adapted to engage a standard light socket and a step down transformer. A bracket supports a low voltage halogen lamp for rotational and pivotal movement and the threaded portion is ratcheted to allow full rotation of the entire fixture. A thermocouple shuts down lamp operation if a predetermined operating temperature is exceeded and automatically restores power when the temperature returns to the safe region.
Inventors
- 👤 Gerald J. Habinak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:06
CPC Classifications
F; F21; F21V; F21V25/00; F21V25/10; F21V21/00; F21V21/14; F21V23/00; F21V23/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
132 words
A lighting fixture to replace existing incandescent lighting with halogen lamps, comprising: a) a base having a threaded portion adapted to cooperate with a standard incandescent lighting socket; b) a means for reducing standard 110 volt a.c., 60 cycle power to a level suitable for operation of a low voltage halogen lamp, said reducing means being electrically connected to said base, and; c) a halogen lamp socket connected to said reducing means adapted to receive a halogen lamp to be powered by said reducing means d) means for mounting said fixture for rotational movement in a standard lighting socket e) means for mounting said halogen lamp socket for pivotal movement relative to said fixture whereby a standard light bulb can be replaced in existing fixtures with more efficient and economical halogen lamps.
Claim 2
Dependent Claim
132 words
A lighting fixture to replace existing incandescent lighting with halogen lamps, comprising: a) a base having a threaded portion adapted to cooperate with a standard incandescent lighting socket; b) a means for reducing standard 110 volt a.c., 60 cycle power to a level suitable for operation of a low voltage halogen lamp, said reducing means being electrically connected to said base, and; c) a halogen lamp socket connected to said reducing means adapted to receive a halogen lamp to be powered by said reducing means d) means for mounting said fixture for rotational movement in a standard lighting socket e) means for mounting said halogen lamp socket for pivotal movement relative to said fixture whereby a standard light bulb can be replaced in existing fixtures with more efficient and economical halogen lamps.
Claim 3
Dependent Claim
32 words
The lighting fixture of claim 1 wherein said means for reducing comprises a transformer having a primary coil electrically connected with said base and a secondary coil electrically connected with said socket.
Claim 4
Dependent Claim
15 words
The lighting fixture of claim 1 further comprising a halogen lamp mounted in said socket.
Claim 5
Dependent Claim
43 words
The lighting fixture of claim 1, further comprising means for preventing operation of said lamp if the operating temperature of said fixture exceeds a predetermined maximum temperature and resuming operation of said lamp when the operating temperature drops below a second predetermined temperature.
Claim 6
Dependent Claim
14 words
The lighting fixture of claim 1, further comprising a shroud for said halogen lamp.
Claim 7
Dependent Claim
13 words
The lighting fixture of claim 5 wherein said shroud is cylindrical in shape.
Claim 8
Dependent Claim
51 words
The lighting fixture of claim 1 further comprising a cylindrical shroud for said halogen lamp, said shroud including a pair of diametrically opposed posts extending inwardly thereinto, said means for mounting for pivotal motion including a pair of slots adapted to receive said posts to secure said shroud to said fixture.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-12-30 | 1995-07-01 | 1995-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-30 | 1999-07-01 | 1999-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-30 | 2003-07-01 | 2003-12-31 | $7700.00 | Window Closed / Lapsed |