Patent · US Expired

Telescopic and collapsible desk lamp

US5265000A · kind A · utility

27Cited by
6References
1Claims
0Family size

Inventor

Key dates

Filing dateNov 16, 1992
Grant dateNov 23, 1993
Priority date
Expiry dateNov 16, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V21/22
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A telescopic and collapsible desk lamp is disclosed having a lamp shade pivotally connected to a telescopic support supported on a cylindrical stand, wherein the telescopic support is consisted of two telescopic metal tubes pivotally connected to two metal mounting tubes fastened to the cylindrical stand by angle brackets. The lamp shade is turned upside-down and covered over the cylindrical stand at the top as the telescopic metal tubes are respectively received inside the metal mounting tubes. An insulative link is detachably connected between the telescopic metal tubes to prevent short circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.