Patent ID: 6082874
Filing Date: 2000-07-04
Classification: H01R

Abstract:
A coupling device for Christmas light comprising:an electrical socket including a first opening in top, a pair of rectangular recesses symmetrically formed in opposing inner peripheries for respectively securing in a pair of rectangular contact plates from a free end of each of a pair of electrical wires and a pair of lug members of arcuate elastic plate symmetrically extending outward from opposing outer peripheries thereof and each having a cylindrical receiving space for respectively receiving said pair of electrical wires, a slit entrance communicating with the receiving space and a first elongate notch in an inner surface abutting the slit entrance and along the length thereof;a base including a second opening and a rim on top, a bottom, a bulb axially disposed into the second opening having a pair of lead-in wires extending out of the bottom and respectively attached to opposing lateral sides of the bottom and a pair of L-shaped extensions symmetrically extending outward from the rim each having a longer portion extending downward and engageable with the slit entrance of said lug members and a second elongate notch in an outer surface abutting free end along the length thereof and slidably engaging with the first elongate notch of said lug members;when said base axially secures into the first opening of said electrical socket, said lead-in wires will contact with said rectangular contacts plate and the longer portions of said L-shaped extensions will block up the slit entrances of said lug members.