A clamping device for clamping a rotatably supported shaft, is provided with a thin-walled sleeve arranged such that a gap is provided along a circumferential direction of the shaft. The clamping device clamps the shaft by deforming the thin-walled sleeve towards the shaft....http://www.google.com.tw/patents/US7793567?utm_source=gb-gplus-share專利 US7793567 - Clamping device and rotary table apparatus
