Patent ID: 9182106
Filing Date: 2015-11-10
Classification: F21V,F21W,G02B,G03B

Abstract:
1. A device for adjusting an optical tube, which is disposed in a housing of a spotlight or optical device and which is guided in the housing in the direction of the optical axis of the spotlight or optical device, with an adjustment drive, an operating element and a brake device disposed between the tube and the housing, which with the adjustment drive not activated connects the tube to the housing in a non-positive locking and/or positive-locking manner and which on activation of the adjustment drive releases the connection between the tube and the housing and enables adjustment of the tube along the optical axis of the spotlight or optical device, wherein the adjustment drive can be coupled by means of a control device that activates or deactivates the brake device to the operating element such that on operating the operating element the brake device releases the connection between the tube and the housing, on further operation of the operating element the adjustment drive adjusts the tube along the optical axis of the spotlight or optical device and on terminating operation of the operating element the brake device again connects the tube to the housing in a non-positive locking and/or positive locking manner.