Illumination – Supports – Standard-type support
Patent
1998-09-08
2000-03-21
O'Shea, Sandra
Illumination
Supports
Standard-type support
362410, F21S 112
Patent
active
060394633
ABSTRACT:
A lamp assembly including a light bulb, a lamp pole, a lampshade, a lamp cup, a butterfly-shaped nut, a light bulb holder, an end cover, a hollow bolt, and a securing nut. In assembly, an upper section of the hollow bolt is locked with a threaded hole from a lower side of the light bulb holder, with a lower section thereof entering a flared portion at an upper end of the lamp cup and then out through a through hole to lock with a central threaded hole of the end cover. The securing nut is then used to lock tightly with the remaining exposed portion of the hollow bolt. That is, an external threaded section on a lower side of the end cover engages lockably with internal threads on an upper side of the lamp pole. Finally, the light bulb holder enters from a through hole below the lampshade, using the butterfly-shaped nut to lock tightly external threads on an upper side of the light bulb holder, whereby the light bulb can lock directly deep into the light bulb locking seat located in the light bulb holder at the bottom side and be positioned. The lampshade assembly can be easily assembled by the user. After assembly, the light bulb does not project obtrusively from the lampshade so that the overall assembly looks graceful and is safe to use. Besides, the overall size of the lamp assembly during transportation can be reduced to save costs.
REFERENCES:
patent: 4998193 (1991-03-01), Chuing-Hui
patent: 5826975 (1998-10-01), Hsieh
patent: 5951153 (1999-09-01), Favela
O'shea Sandra
Sawhney Hargobind S.
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