FINE ADJUSTMENT MECHANISM Russian patent published in 2004 - IPC

FIELD: mechanical engineering; micromanipulators. SUBSTANCE: proposed mechanism contains accommodating cylindrical part adjusting knob, worm wheel freely fitted on part, and unit to connect worm wheel with cylindrical part. Worm wheel is coupled with worm which is provided with turnable knob. Adjusting knob is provided with detents of two extreme position. Unit to connect worm wheel with cylindrical part is made in form of two clutch members, one of which is coupled with adjusting knob and the other, worm wheel. EFFECT: provision of fine adjustment over entire coarse displacement range by means of mechanism with reduced number of parts. 2 dwg