Lamp
US5402328A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1993 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Jul 29, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is an adjustable lamp assembly especially suitable for use as a table or desk lamp. The lamp assembly has a substantially spherical or conical base member having an adjustable center of gravity which allows it to be moved and retained in a variety of inclined and tilted positions. Also disclosed is a lamp assembly having a concave shade member having a peripheral rim and a central opening adapted to rest upon and be supported freely on the curved outer surface of a lamp bulb globe whereby the peripheral rim of the shade member will remain in a horizontal plane as the lamp assembly is tilted relative to the horizontal plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.