(19)
(11) EP 1 231 026 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.02.2004 Bulletin 2004/07

(43) Date of publication A2:
14.08.2002 Bulletin 2002/33

(21) Application number: 02250869.1

(22) Date of filing: 08.02.2002
(51) International Patent Classification (IPC)7: B25B 23/14, B25B 23/142, F16B 1/04
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.02.2001 GB 0103372
24.12.2001 GB 0130879

(71) Applicant: MHH ENGINEERING CO LTD
Guildford Surrey GU5 0AJ (GB)

(72) Inventor:
  • Bullen, Terence Clifford
    Nr. Guilford, Surrey GU5 0UP (GB)

(74) Representative: Pattullo, Norman et al
Murgitroyd and Company 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) Rotation locking mechanism


(57) A rotation locking mechanism for locking the rotatable torque adjuster of an adjustable torque wrench against unwanted rotation while permitting wanted rotation for intended torque adjustment. The rotation locking mechanism of the present invention has a selectively rotatable component for locking against unwanted rotation thereof while permitting wanted rotation thereof, the rotatable component comprising rotation application means for selective application of wanted rotation to the rotatable component by external engagement with the rotation application means, the rotation locking mechanism comprising clutch means coupling the rotatable component to a rotation anchor by way of the clutch means, the clutch means being normally engaged to clutch the rotatable component to the rotation anchor whereby to anchor the rotatable component against unwanted rotation and the clutch means being able to temporarily disengage to unlock the rotatable component for intended rotation.






Search report