An umbrella reflector, comprising: a bearing body (5) into which a tubular carrying means (1) is inserted so that said tubular carrying means is displaceably held within said bearing body (5); a ring of articulated joints (10) arranged on said bearing body (5) and to which umbrella stretchers (11) are hingedly attached, a reflecting umbrella covering (18) fastened to umbrella stretchers (11); a sliding means (15) being displaceable on said tubular carrying means (1) a ring of toggle joints (14) arranged on said sliding means to which expanding stretchers (13) are mounted, the end of expanding stretchers (13) being secured to umbrella stretchers (11) by articulated expanding joints (12), said expanding stretchers (13) being dimensioned so that when opening the reflectors, said sliding means (15) is displaceable to a point past the plane of said articulated expanding joints (12), where the resilient restoring forces provide an arrestment holding the reflector in an open position, and an element (2) emitting electromagnetic or acoustic waves which is arranged at the end of said tubular carrying means (1) facing the interior of said umbrella reflector so that by displacing said tubular carrying means (1) within said bearing body (5) said element (2) is moved into different positions in relation to the opened reflector. view more

The reflector according to claim 1, wherein in the open position, said sliding means (15) is supported on said bearing body (5).

The reflector according to claim 1, wherein in the open position, said sliding means (15) is secured by an arrestment.

The reflector according to claim 1, wherein said emitting element (2) is detachably fastened to said carrying means (1).

The reflector according to claim 1, wherein at the end opposite to said emitting element said carrying means (1) carries a means (3) for the coupling and uncoupling of energy which is connected to said emitting element (2) by means of said carrying means (1). view more

The reflector according to claim 1, wherein said bearing body (5) carries guides and brake elements (6) inside.

The reflector according to claim 1, wherein said bearing body (5) is rotatably connected to a supporting means (8) by means of a clamp (7).

The reflector according claim 1, wherein said bearing body (5) is secured to a stand (9).

The reflector according claim 1, wherein the distance (a) between said articulated expanding joints (12) and said articulated joints (10) on said bearing body (5) is smaller than the distance (b) between said expanding stretchers (12) and the ends of said umbrella stretchers (11). view more

The reflector according to claim 1, wherein in the open position, said sliding means (15) is only slightly moved beyond the toggle joint dead center of said expanding stretchers (13).

The reflector according to claim 1, wherein said umbrella covering (18) includes hems (19) into which said umbrella stretchers (11) are inserted.

The reflector according to claim 1, wherein said umbrella covering (18) is secured to the ends of said umbrella stretchers (11) by means of sleeves (21).

The reflector according to claim 1, wherein said umbrella covering (18) is a metallized foil.

The reflector according to claim 1, wherein at least twenty umbrella stretchers (11) are provided.

The reflector according to claim 1, wherein said stretchers (11, 13) consist of glass-fiber reinforced plastic, carbon-fiber reinforced plastic or steel.