Back to results
US 4,060,939 AGranted
Device of plane-parallel treatment of surfaces
AssigneeLaboratoire Suisse de Recherches Horlogeres
InventorsGilbert Dubied, Ernst Kuenzi
Life of this patent
Estimating the term…
Abstract
A device of simultaneous surface-treatment of two parallel plain surfaces of a worked article consisting of two immobile polishing blocks one serving likewise as support for the piece to be treated which is exposed to a combination of longitudinal and transverse movements of translation being independently adjustable with regard to the velocity and the course of the movement.
Claims8
A device for simultaneously treating two plane parallel surfaces of an article, wherein said device comprises:
- one lower and one upper planar polishing blocks, the lower polishing block adapted for supporting an article to be treated,
- fluid cylinder means for simultaneously subjecting an article to longitudinal and transverse movements between and in contact with said polishing blocks;
- and
- means for independently controlling the velocity and extent of each of said longitudinal and transverse movements, respectively.
1 more element
Dependencies are inferred from the claim text.