Patent US4623956A successfully refreshed from Google Patents.
US4623956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessed adjustable lighting fixture
Assignee: Individual
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Filing: 1984-08-06
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Granted: 1986-11-18
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Expires: 2004-08-06
Abstract
Abstract A recessed adjustable lighting fixture for general purpose illumination. The fixture has a base member which may be held against a wall or ceiling, and the major components of the fixture are recessed behind the base member. The lamp is held behind the base by a tiltable platform which is moved by turning a worm gear which cooperates with a curved strap to permit adjustment of the tilt of the lamp assembly.
Inventors
- 👤 Mario W. Conti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:07
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; F21S; F21S8/00; F21S8/02; F21S8/026; F21V17/00; F21V17/02; F21V7/00; F21V7/0025; F21W; F21W2131/00; F21W2131/30; F21W2131/304
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
137 words
A recessed, adjustable, lighting-fixture for general purpose illumination, said fixture comprising: a base member for attachment to a static structure, said base member having an opening therethrough for the passage of light; a platform affixed to the base member; a lamp assembly including a bulb and a reflector affixed to the platform, said lamp assembly having a convergent, controlled light beam path where substantially all the light passes through said opening; and reflecting means mounted at an angle of about 45 degrees with respect to the light beam path, said reflecting means being attached to the platform in such a position that it will adjustably protrude through the opening in the base member and being positioned so that it reflects the controlled light beam path, said reflecting means being located near a focal point of said reflector.
Claim 2
Dependent Claim
137 words
A recessed, adjustable, lighting-fixture for general purpose illumination, said fixture comprising: a base member for attachment to a static structure, said base member having an opening therethrough for the passage of light; a platform affixed to the base member; a lamp assembly including a bulb and a reflector affixed to the platform, said lamp assembly having a convergent, controlled light beam path where substantially all the light passes through said opening; and reflecting means mounted at an angle of about 45 degrees with respect to the light beam path, said reflecting means being attached to the platform in such a position that it will adjustably protrude through the opening in the base member and being positioned so that it reflects the controlled light beam path, said reflecting means being located near a focal point of said reflector.
Claim 3
Dependent Claim
13 words
The lighting fixture of claim 1 wherein said reflecting means comprises a mirror.
Claim 4
Dependent Claim
13 words
The lighting fixture of claim 1 wherein said reflecting means is a prism.
Claim 5
Dependent Claim
15 words
The lighting-fixture of claim 1 wherein said platform is tiltably affixed to said base member.
Claim 6
Dependent Claim
107 words
The lighting fixture of claim 4 further including a curved strap having a first end and a second end, said curved strap being affixed at its first end to said platform and having a plurality of slots formed therein, the second end of said curved strap being free, the center of curvature of the strap being at about the pivot point of the tiltable platform; and a worm gear assembly held to the base member, said worm gear assembly having teeth extending through at least one slot of said curved strap whereby the turning of the worm gear tilts the platform with respect to the base member.
Claim 7
Dependent Claim
17 words
The lighting fixture of claim 5 wherein the worm gear has means for attachment for screwdriver means.
Claim 8
Dependent Claim
22 words
The lighting fixture of claim 5 wherein the base member has an opening to permit the insertion of a screwdriver blade therethrough.
Claim 9
Dependent Claim
15 words
The lighting fixture of claim 5 further including a lens member held to said platform.
Claim 10
Dependent Claim
26 words
The lighting fixture of claim 5 wherein the platform is affixed to the base by way of a vertical support plate affixed to the base member.
Claim 11
Dependent Claim
16 words
The lighting fixture of claim 9 wherein the worm gear is held to the vertical plate.
Claim 12
Dependent Claim
165 words
A recessed, adjustable, lighting-fixture for general purpose illumination, said fixture comprising: a base member for attachment to a static structure, said base member having an opening therethrough for the passage of light; a platform affixed to the base member; a lamp assembly including a bulb and a reflector affixed to the platform, said lamp assembly having a convergent, controlled light beam path where substantially all the light passes through said opening; and reflecting means mounted at an angle of about 45 degrees with respect to the light beam path, said reflecting means being attached to the platform in such a position that it will protrude through the opening in the base member and being positioned so that it reflects the controlled light beam path and wherein said reflecting means comprises an optical member having a first lens affixed to a prism and a second lens affixed to said prism whereby the light is focused, reflected at a right angle and emitted from the optical member.
Claim 13
Dependent Claim
165 words
A recessed, adjustable, lighting-fixture for general purpose illumination, said fixture comprising: a base member for attachment to a static structure, said base member having an opening therethrough for the passage of light; a platform affixed to the base member; a lamp assembly including a bulb and a reflector affixed to the platform, said lamp assembly having a convergent, controlled light beam path where substantially all the light passes through said opening; and reflecting means mounted at an angle of about 45 degrees with respect to the light beam path, said reflecting means being attached to the platform in such a position that it will protrude through the opening in the base member and being positioned so that it reflects the controlled light beam path and wherein said reflecting means comprises an optical member having a first lens affixed to a prism and a second lens affixed to said prism whereby the light is focused, reflected at a right angle and emitted from the optical member.
Claim 14
Dependent Claim
20 words
The lighting fixture of claim 11 further including an optical mask held between said lamp assembly and said optical member.
References Cited (Backward Citations)
DE369955C
Cited
US2510892A
Cited
US2855503A
Cited
US3267802A
Cited
US3396439A
Cited
US3643089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-17 | 1990-05-19 | 1990-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-17 | 1994-05-19 | 1994-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-17 | 1998-05-19 | 1998-11-18 | $7700.00 | Window Closed / Lapsed |