Patent ID: 8021026

Claim:
A lamp comprising: a lamp head comprising an adjustable component located at a rear end of the lamp head, the adjustable component comprising an adjustable portion, an engaging portion and a pivot shaft extending through the adjustable and engaging portions to pivotably connect the adjustable and engaging portions together, the adjustable portion being mounted on the lamp head and the engaging portion being secured to a front end of a lamp pole, the adjustable portion defining a plurality of adjustable holes therein and the engaging portion defining a plurality of engaging holes therein, which are located corresponding to the adjustable holes; wherein the adjustable portion of the adjustable component is rotated along the pivot shaft relative to the engaging portion and securable to the engaging portion at different positions, in which the lamp head has different elevation angles, thereby to adjust an elevation angle of the lamp head by rotating and securing the adjustable portion at a selected one of the different positions so that the lamp head can illuminate different places; and wherein fasteners extend through selected ones of the adjustable holes at two opposite sides of the pivot shaft to engage with selected ones of the engaging holes at the two opposite sides of the pivot shaft when the lamp head is at a first elevation angle, and wherein the fasteners extend through other ones of the adjustable holes at the two opposite sides of the pivot shaft to engage with other ones of the engaging holes at the two opposite sides of the pivot shaft when the lamp head is at second elevation angle.