Patent ID: 6047613
Filing Date: 2000-04-11
Classification: G02B,Y10T

Abstract:
Drive device for a mechanical stage of a microscope having a base plate which is arranged in a stationary fashion, said drive device comprising two carriages adapted to be arranged on said base plate, said carriages can move in the X and Y directions in order to position an object which is to be examined, there being attached to each of the two carriages a toothed rack which is kinematically linked in each case to a drive pinion, and two rotary knobs, which are arranged one above the other, being provided as manually operated elements for the drive device, and rotational movement of said rotary knobs is transmitted to the drive pinions via a gear mechanism wherein the drive pinions are each connected to a deflection roller, a circulating transmission element is provided between the gear mechanism and each deflection roller, and each circulating transmission element transmits the rotational movement at the rotary knobs to the respective drive pinion via the respective deflection roller.