Patent ID: 9079285
Filing Date: 2015-07-14
Classification: B24B

Abstract:
1. A polishing device for zone polishing of optical lenses, comprising: a tilting base part for direct or indirect holding of a polishing pad, wherein the base part for driving purposes is joined to and rotationally driven by a rotary mounted spindle shaft of a polishing spindle and a rotary leadthrough is provided, by which the feeding of polishing compound to a polishing compound channel of the base part is assured, wherein the rotary leadthrough is directly or indirectly arranged on the spindle shaft and the base part can tilt relative to the rotary leadthrough, while the rotary leadthrough stands in flow connection with the base part via a flexible fluid connection, wherein the rotary leadthrough includes a base body that is rotatable with the spindle shaft and a turning ring that can turn relative to the base body but does not execute the rotational movement of the spindle shaft.