Replaceable automobile headlight lamp unit
US4623958A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1985 |
| Grant date | Nov 18, 1986 |
| Priority date | — |
| Expiry date | Jan 15, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/19
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp unit (10) for being removably positioned within the rear opening (11) of an automobile headlight reflector (13). The unit (10) includes a plastic holder (19), an electric (e.g., tungsten halogen) lamp (30) having a filament structure (42) contained within the envelope (33) thereof, a clamp member (46) secured to the lamp's press-sealed end portion (47), and an insert member (48) located within a cavity (21) of the holder (19). The clamp member (46) includes a plurality of flange segments (55) which are located within corresponding slot portions (56) of an aperture (57) centrally disposed within the insert member (48). The clamp member (46) is secured to the insert member (48) by the use of solder once precisioned alignment of the envelope has occurred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.