Aligning beaded fastener assembly for lighting fixtures
US5475578A · kind A · utility
Inventors
Key dates
| Filing date | Apr 12, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Apr 12, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S8/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A locking assembly for lighting fixtures or portable lamps is provided to facilitate the fast assembly and alignment of longitudinally extending arms, such as hollow tubular arms, either on the flat surface, or on the vertical exterior surface of a base of the lighting fixture or portable lamp, without the use of additional machined or cast fittings. A bead is formed near the end of the arm, wherein the bead includes one or more indentations made of rectangular, square, round or other shapes, so that a projection or projections protrude from the opposite flat surface of the bead. The end of the tube beyond the bead is then threaded and if bent into an arm, the bending is done in the same plane as a line running through the center of the tube and one projection. One or more rounded holes slightly larger than the diameter of the tube are provided in the flat surface of the plates or bodies or onto the vertical sides of the bodies of the lighting fixture or portable lamp. These holes have on their circumferences one or more slotted or notched openings of such size so as to receive the end of the longitudinally extending arms and the projections of the bead, so that location of these h…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.