Patent ID: 7616301

Claim:
A multiple standards disc clamping device comprising: a. a fixture body guided moveable along a stacking axis, said fixture body having: I. two or more fixture rings accessible from top, each of said fixture rings having a planar flange and a centering cone with distinct lateral dimension, said fixture rings being positioned along said stacking axis such that one of said two or more fixture rings having a least distinct lateral dimension being on top of one other of said two or more fixture rings having a next larger lateral dimension; II. a contacting feature for receiving a moving impulse; b. a base having: I. body guides structurally communicating with said fixture body and guiding said fixture body along said stacking axis; II. a base face for opposing said moving impulse; and c. an actuation means inducing said moving impulse in between said contacting feature and said base face; wherein at least one of said planar flanges further comprises an externally accessible vacuum groove; wherein at a predetermined position of said fixture body along said stacking axis said vacuum groove communicates via a groove access channel with a valve means of said base.