Patent ID: 8657459

Claim:
A lighting apparatus comprising: a housing having a compartment containing an electrochemical source of electric current; an illumination source connected to the housing; a control connected to the housing for switching electric current supplied by an electrochemical source within said compartment to the illumination source; an arm structure comprising first and second arms fixed to the housing and extending therefrom in spaced, substantially parallel, relation to each other; a mounting element for engaging a supporting rail, the mounting element being connected to said arm structure, on a first side of thereof, at a location spaced from the housing; wherein said control includes a switch supported by said arm structure and disposed between said arms, the switch including a push-button recessed from a second side of said arm structure opposite from said first side and manually accessible for operation by insertion of a finger into a space between said arms, and electrical connections between said switch and the housing for delivery of electric current from the electrochemical source, through the switch, to the illumination source.