D. Swarovski & Co.

Bernhard Riedl

Binoculars having a central device for focusing and diopter adjustment wherein the diopter adjusting wheel is integrated into the face of the focusing drive wheel, whereby the focusing and the diopter adjustment can be performed independently of each other.

Binoculars including separate focusing and diopter adjustment

A binocular telescope having a double-jointed bridge and a central joint focusing means for focusing and diopter adjustment with a bipartite bridge, the two bridge members being connected via a center clutch shaft.

Binocular telescope including a double-jointed bridge and central joint

A central focussing device for internal focussing in binoculars, wherein a focussing wheel engages a displaceable bridge via a threaded spindle and the objectives are connected to the displaceable bridge via driving shafts for the purpose of focussing, a diopter adjustment wheel engages one of the driving shafts with screw drive via a driving toothed wheel, an intermediate toothed wheel and a driven toothed wheel in order to vary the position of an objective for diopter adjustment, the intermediate toothed wheel being directed through the bridge or beside and past it and being of a height such that the driven toothed wheel engages the intermediate toothed wheel over the entire range of stroke of focussing.

Growing community of inventors

Tirol, Austria

Bernhard Riedl