Patent · US Active

Polishing device with rotary transmission leadthrough

US9079285B2 · kind B2 · utility

1Cited by

7References

7Claims

0Family size

Assignee

SCHEIDER GMBH & CO. KG · DE

Inventors

Klaus Krämer · Baudenbach, DE
Ulf Börner · Marburg, DE
Gunter Schneider · Marburg, DE

Key dates

Filing date	Mar 23, 2012
Grant date	Jul 14, 2015
Priority date	—
Expiry date	Jul 30, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B57/02
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A polishing device for zone polishing of optical lenses with a tilting base part for direct or indirect holding of a polishing pad, wherein the base part for driving purposes is rotationally driven and connected to a spindle shaft, rotationally mounted, of a polishing spindle, and a rotary leadthrough is provided, by which the feeding of polishing compound in 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. The rotary leadthrough stands in a flow connection with the base part via a flexible fluid connection.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.