Backstop socket structure for lamp string

Details Backstop socket structure for lamp string Backstop socket structure for lamp string

2007-03-06

2007-03-06

Luebke, Renee (Department: 2875)

Illumination

Quick disconnect-type light unit

Particular engagement

C362S259000, C362S806000, C439S188000

Reexamination Certificate

active

11028531

ABSTRACT:
A backstop socket structure to prevent a lamp string from turning-off upon a bulb dropped unintentionally, which comprises a fuse-type bulb mounted in a socket of a lamp string and a plurality backstop sockets; each backstop socket is furnished with two contact copper plates, which are furnished with two spring reeds in close contact state normally; the bulb base has a rod stub under the center of the bulb base; after the bulb base is plugged in place, the rod stub would push the two spring reeds separated from each other; in case of a bulb base being dropped or missing, the two spring reeds will be in close contact state as a result of the resilient force thereof so as to keep the lamp string in lighting up state.

REFERENCES:
patent: 1536332 (1925-05-01), Dam
patent: 5139343 (1992-08-01), Lin
patent: 6257740 (2001-07-01), Gibboney, Jr.
patent: 6609814 (2003-08-01), Ahroni

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