Patent US5339233A successfully refreshed from Google Patents.
US5339233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp assembly
Assignee: Individual
•
Filing: 1993-05-12
•
Granted: 1994-08-16
•
Expires: 2013-05-12
Abstract
Abstract A lamp assembly including a mid-angle trapezoidal open frame having four corners pivotably connected to an upper arm, an upper wiring tube, a lower arm, and a lower wiring tube, a triple-terminal connecting frame pivotably connected to the upper arm and the upper wiring tube to hold a lamp shade, swivel device revolvably fastened to an axle holder on a lamp stand to hold the lower arm and the lower wiring tube, a first retaining spring assembly to adjustably hold the lower arm and the lower wiring tube in a desired angle, and a second retaining spring assembly to adjustably hold the upper arm and the upper wiring tube in a desired angle.
Inventors
- 👤 Roger Yang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:54
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2035; F16M11/2064; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F16M2200/00; F16M2200/04; F16M2200/044; F21S; F21S6/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
447 words
A lamp assembly comprising: a lamp stand; an axle holder detachably fastened to said lamp stand by screws, said axle holder having an axle hole in a top surface; a swivel device having a stub bottom shaft revolvably fastened to said axle hole on said axle holder, and an arched upright support, said arched upright support comprising a bevel frame obliquely extended upwards at one side; a lamp shade having holes for dissipation of heat and a socket mount to hold a lamp socket; a mid-angle trapezoidal open frame having a pin hole on each corner thereof; a lower arm having a first forked connector at one end pivotably connected to said arched upright support and a second forked connector at an opposite end pivotably connected to a first of said pin holes of said mid-angle trapezoidal open frame; a lower wiring tube having a bottom end pivotably connected to said bevel frame of said swivel device by a connecting member and a top end pivotably connected to a second of said pin holes of said mid-angle trapezoidal open frame; a first retaining device to adjustably hold said lower arm and said lower wiring tube to said swivel device in a desired angle, said first retaining device comprising a stop loop fastened to said lower arm around said lower wiring tube, a spring coil sleeved on said lower wiring tube and stopped between a fixed ring and a movable ring on said lower wiring tube, the movable ring being stopped at the stop loop; a triple-terminal connecting frame having a first terminal, a second terminal, and a third terminal, said third terminal being fixed to said lamp shade; an upper arm having a first forked connector at one end pivotably connected to a fourth of said pin holes of said mid-angle trapezoidal open frame and a second forked connector pivotably connected to said first terminal of said triple-terminal connecting frame; an upper wiring tube having a bottom end pivotably connected to a third of said pin holes of said mid-angle trapezoidal open frame by a connecting member and a top end pivotably connected to said second terminal of said triple-terminal connecting frame by a connecting member; and a second retaining device to adjustably hold said upper arm and said upper wiring tube to said lower arm and said lower wiring tube in a desired angle, said second retaining device comprising a stop loop fastened to said upper arm around said upper wiring tube, a spring coil sleeved on said upper wiring tube and stopped between a fixed ring and a movable ring on said second retaining device being stopped at the stop loop on said upper arm.
Claim 2
Dependent Claim
447 words
A lamp assembly comprising: a lamp stand; an axle holder detachably fastened to said lamp stand by screws, said axle holder having an axle hole in a top surface; a swivel device having a stub bottom shaft revolvably fastened to said axle hole on said axle holder, and an arched upright support, said arched upright support comprising a bevel frame obliquely extended upwards at one side; a lamp shade having holes for dissipation of heat and a socket mount to hold a lamp socket; a mid-angle trapezoidal open frame having a pin hole on each corner thereof; a lower arm having a first forked connector at one end pivotably connected to said arched upright support and a second forked connector at an opposite end pivotably connected to a first of said pin holes of said mid-angle trapezoidal open frame; a lower wiring tube having a bottom end pivotably connected to said bevel frame of said swivel device by a connecting member and a top end pivotably connected to a second of said pin holes of said mid-angle trapezoidal open frame; a first retaining device to adjustably hold said lower arm and said lower wiring tube to said swivel device in a desired angle, said first retaining device comprising a stop loop fastened to said lower arm around said lower wiring tube, a spring coil sleeved on said lower wiring tube and stopped between a fixed ring and a movable ring on said lower wiring tube, the movable ring being stopped at the stop loop; a triple-terminal connecting frame having a first terminal, a second terminal, and a third terminal, said third terminal being fixed to said lamp shade; an upper arm having a first forked connector at one end pivotably connected to a fourth of said pin holes of said mid-angle trapezoidal open frame and a second forked connector pivotably connected to said first terminal of said triple-terminal connecting frame; an upper wiring tube having a bottom end pivotably connected to a third of said pin holes of said mid-angle trapezoidal open frame by a connecting member and a top end pivotably connected to said second terminal of said triple-terminal connecting frame by a connecting member; and a second retaining device to adjustably hold said upper arm and said upper wiring tube to said lower arm and said lower wiring tube in a desired angle, said second retaining device comprising a stop loop fastened to said upper arm around said upper wiring tube, a spring coil sleeved on said upper wiring tube and stopped between a fixed ring and a movable ring on said second retaining device being stopped at the stop loop on said upper arm.
Claim 3
Dependent Claim
26 words
The lamp assembly of claim 1 wherein: said axle holder is fixed to a wall so that the lamp assembly is used as a wall lamp.
Claim 4
Dependent Claim
26 words
The lamp assembly of claim 1 wherein: said axle holder is fixed to a desk so that the lamp assembly is used as a desk lamp.
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) | 1997-08-15 | 1998-02-14 | 1998-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-15 | 2002-02-14 | 2002-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-15 | 2006-02-14 | 2006-08-16 | $7700.00 | Window Closed / Lapsed |