(19)
(11) EP 3 804 890 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
16.06.2021 Bulletin 2021/24

(43) Date of publication:
14.04.2021 Bulletin 2021/15

(21) Application number: 20275158.2

(22) Date of filing: 09.10.2020
(51) International Patent Classification (IPC): 
B23B 31/14(2006.01)
 B23Q 3/06(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 10.10.2019 GB 201914672

(71) Applicant: Brunel University London
Uxbridge Middlesex UB8 3PH (GB)

(72) Inventors:
  • CHENG, Kai
    Uxbridge Middlesex UB8 3PH (GB)
  • KHAGHANI, Ali
    Uxbridge Middlesex UB8 3PH (GB)

(74) Representative: Williams Powell 
11 Staple Inn
London WC1V 7QH
London WC1V 7QH (GB)

   


(54) ADAPTIVE PRECISION CHUCK


(57) An adaptive precision chuck for a precision/ultraprecision machining system is described. The chuck (200) defining a mount for receiving a workpiece (300) wherein, when in use, the centre of the mount is configured to be substantially concentric with an axis of rotation (214) of the machining system, the chuck (200) further including jaws (210) about the mount and a plurality of compliant flexures (203-206) configured, upon application of rotational forces by the machining system to the chuck about the axis of rotation (214), to engage the jaws (210) upon a workpiece (300) in the mount.