Patent ID: 6241543
Filing Date: 2001-06-05
Classification: H01R

Abstract:
A tubular lamp assembly comprising a lamp body, said lamp body comprising a plurality of lamp tubes electrically connected in series and arranged inside a shell thereof, and a plurality of electric contact holes disposed at one end thereof, and an electric plug connected to one end of said lamp body and adapted for connecting to an electric socket to transmit power supply to said lamp body, wherein said electric plug comprises:a blade holder block shaped like a rectangular casing having two front end holes and two rear end holes respectively disposed at front and rear sides thereof, and two blade positioning grooves respectively connected between said front end holes and said rear end holes and arranged in parallel;two metal blades respectively positioned in the blade positioning grooves of said blade holder block, said metal blades each having a front end terminating in a front plug portion and extended out of one front end hole of said blade holder block and a rear end terminating in at least one receiving tube and extended out of one rear end hole of said blade holder block;a housing adapted to receive said blade holder block and said metal blades in said blade holder block, said housing comprising a rectangular front receiving chamber, which receives said blade holder block and said metal blades in said blade holder block, a circular rear receiving hole, a partition wall, which separates said circular rear receiving hole from said rectangular front receiving chamber, a plurality of receptacle portions respectively formed integral with said partition wall at one side within said rectangular front receiving chamber and adapted to receive the receiving tubes of said metal blades, a plurality of through holes respectively extended through said partition wall in communication with said receptacle portions, two longitudinal locating ribs bilaterally disposed inside said circular rear receiving hole, and two recessed portions bilaterally disposed inside said circular rear receiving hole and respectively spaced from said longitudinal locating ribs at an equal distance; anda coupler coupled between said housing and said lamp body to connect said metal blades to the electric contact hales of said lamp body, said coupler comprising a rear receiving hole, which receives one end of said lamp body, a plurality of metal contact pins axially extended out of front side wall and back side wall thereof, said metal contact pins each having a front end respectively plugged through the through holes of said housing into contact with the receiving tubes of said metal blades and a rear end respectively plugged into the electric contact holes of said lamp body, two longitudinal coupling grooves bilaterally disposed at the periphery thereof and respectively coupled to the longitudinal locating ribs of said housing, and two raised portions respectively raised from the periphery and forced into engagement with the recessed portions of said housing.