Patent ID: 8152328

Claim:
A portable lighting device, comprising: a power supply housing; a lighting head having at least one light source; a linking arm of elongate shape, said arm having a first end connected to said supply housing and a second end connected to said lighting head so as to mechanically link said supply housing and said lighting head; wherein said lighting head is movable relative to said supply housing between a first position in which said lighting head is adjacent to said supply housing and at least one second position in which said lighting head is remote from said supply housing; wherein said arm has a length less than or equal to the largest dimension of said supply housing; wherein said housing has a generally parallelepipedal shape that defines a stable base for placement on a surface; wherein the weight distribution between (a) said housing, and (b) said lighting head and said arm, and the size of said arm, are such that the position of the center of gravity of said lighting device remains close to the center of gravity of said housing regardless of the position of said lighting head; wherein said housing has a transverse cross section that has an oblong shape with a central narrow portion; wherein said housing further comprises an external groove in an external surface of said housing that extends along a longitudinal axis in a median plane of said housing, said groove accommodating at least part of said arm when said lighting head is in said first position, and said groove being located at said central narrow portion.