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Class Information
Number: 362/401
Name: Illumination > Supports > Counterbalanced support
Description: Support comprising (1) supporting structure, such as a rod, which is supported by a fulcrum at some point between its ends, one portion of the rod between the fulcrum and an end of the rod being adapted for supporting the light source or light modifier and another portion of the rod between the fulcrum and the other end of the rod having means, usually adjustable for equalizing the otherwise upsetting force of the weight of the light source or modifier in order to position the light source or modifier, or (2) a system of ropes and pulleys, one end of the rope having the light source or modifier attached thereto and another end having balancing means for equalizing the force tending to move the light source.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419283 |
Electrical decoration lighting device and set of such devices |
Sep. 2, 2008 |
| 6871985 |
Portable outdoor post lighting fixture |
Mar. 29, 2005 |
| 6811281 |
Night light in combination with a patterned board |
Nov. 2, 2004 |
| 6808291 |
Safety/warning device |
Oct. 26, 2004 |
| 6767116 |
Lighting fixture assembly |
Jul. 27, 2004 |
| 6736528 |
Electronically controlled stage lighting system |
May. 18, 2004 |
| 6715905 |
Lighting apparatus |
Apr. 6, 2004 |
| 6592241 |
Articulated arm light |
Jul. 15, 2003 |
| 6554459 |
Support bracket for light stand |
Apr. 29, 2003 |
| 6543914 |
Stand arrangement |
Apr. 8, 2003 |
| 6471363 |
Surgical theater system having light, monitors, and cameras |
Oct. 29, 2002 |
| 6382823 |
Vehicular headlamp having reduced case formation |
May. 7, 2002 |
| 6322053 |
Balancing system with a force multiplying device |
Nov. 27, 2001 |
| 5911495 |
Plant lamp fixture |
Jun. 15, 1999 |
| 5690426 |
Reading lamp assembly removably and adjustably attachable to a torchiere-type lamp |
Nov. 25, 1997 |
| 5613771 |
Swings out of the way articulated magnifying lamp |
Mar. 25, 1997 |
| 5607217 |
Illumination system |
Mar. 4, 1997 |
| 5590956 |
Self-positioning lamp fixture with stabilizing base |
Jan. 7, 1997 |
| 5586820 |
Multidirectional task lamp |
Dec. 24, 1996 |
| 5564822 |
Lantern stand |
Oct. 15, 1996 |
| 5544851 |
Bracket for exterior mountings on buildings |
Aug. 13, 1996 |
| 5490051 |
Self-positioning lamp fixture with integrally formed unitary support structure |
Feb. 6, 1996 |
| 5448464 |
Lamp stands |
Sep. 5, 1995 |
| 5381325 |
Self-positioning lamp fixture with stabilizing base |
Jan. 10, 1995 |
| 5373424 |
Automotive projection headlamp |
Dec. 13, 1994 |
| 5222806 |
Lamp |
Jun. 29, 1993 |
| 5158361 |
Structure of lamp frame assembly |
Oct. 27, 1992 |
| 5134555 |
Self positioning lamp fixture |
Jul. 28, 1992 |
| 5101332 |
Retractable device for a desk lamp |
Mar. 31, 1992 |
| 5062029 |
Adjustable spotlight |
Oct. 29, 1991 |
| 5050054 |
Illumination apparatus adjusting structure |
Sep. 17, 1991 |
| 5031085 |
Light tower apparatus |
Jul. 9, 1991 |
| 5012398 |
Light bar leveler |
Apr. 30, 1991 |
| 5001617 |
Self-balanced, multiposition holder |
Mar. 19, 1991 |
| 4974135 |
Structure of adjustable desk lamp |
Nov. 27, 1990 |
| 4918319 |
Tanning bed with closure control mechanism |
Apr. 17, 1990 |
| 4782428 |
Collapsible fluorescent light for photography |
Nov. 1, 1988 |
| 4697590 |
Apparatus for treating athlete's foot |
Oct. 6, 1987 |
| 4661895 |
Adjustable counterbalanced arm assembly for an electric lamp |
Apr. 28, 1987 |
| 4651263 |
Support of sun tanning canopies |
Mar. 17, 1987 |
| 4592177 |
Column-mounted appliances |
Jun. 3, 1986 |
| 4581689 |
Lamp |
Apr. 8, 1986 |
| 4538215 |
Halide and like light reflector and socket assembly |
Aug. 27, 1985 |
| 4494177 |
Articulated task lamp |
Jan. 15, 1985 |
| 4463413 |
Adjustable photographic light stand |
Jul. 31, 1984 |
| 4437144 |
Height-adjustable support arm with a parallelogram linkage |
Mar. 13, 1984 |
| 4429355 |
Luminaire raising and lowering system |
Jan. 31, 1984 |
| 4418379 |
Halide and like light reflector and socket assembly for greenhouse and like use |
Nov. 29, 1983 |
| 4328536 |
Arrangement in working lamps |
May. 4, 1982 |
| 4316238 |
Light fixture and elevator therefor |
Feb. 16, 1982 |
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