Patent ID: 8662719

Claim:
An operating light comprising: a housing with a light exit opening; a ceiling arm system coupled with the housing to movably hold the operating light; at least one light source arranged in the housing; at least one corresponding optical system arranged in the housing, the at least one corresponding optical system directing light emitted by the at least one light source in a direction of the light exit opening; and a grip assembly unit provided approximately in a middle of the light exit opening, the grip assembly unit comprising a handle to pivot the operating light into a desired position, at least one rotating ring located between the handle and the housing, the at least one rotating ring comprising an annular outer contact surface that is rotatable in relation to the handle and setting one or more functions of the operating light and another rotating ring to provide two or more rotating rings arranged one on top of another, the another rotating ring being rotatable independently from the at least one rotating ring with each of the at least one rotating ring and the another rotating ring being rotatable to generate electric signals of their own for controlling different functions of the operating light.