(19)
(11) EP 0 644 146 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.07.1995 Bulletin 1995/29

(43) Date of publication A2:
22.03.1995 Bulletin 1995/12

(21) Application number: 94306864.3

(22) Date of filing: 20.09.1994
(51) International Patent Classification (IPC)6: B65H 59/00, B65H 59/22, H02K 49/06
(84) Designated Contracting States:
CH DE FR GB IT LI

(30) Priority: 21.09.1993 GB 9319483

(71) Applicant: PILLARHOUSE INTERNATIONAL LIMITED
Chelmsford, Essex CM1 3BY (GB)

(72) Inventors:
  • Ciniglio, Alexander James
    Great Dunmow, Essex, CM6 1JM (GB)
  • Stubbings, Timothy John
    Maldon, Essex CM9 6XW (GB)

(74) Representative: Luckhurst, Anthony Henry William 
MARKS & CLERK, 57-60 Lincoln's Inn Fields
London WC2A 3LS
London WC2A 3LS (GB)


(56) References cited: : 
   
       


    (54) Tensioner


    (57) A wire tensioner incorporates a hysteresis brake (1) to apply tension to the wire. The residual torque or cogging effect which is caused when current is switched off when the brake rotor is stationary is reduced or eliminated by applying a decaying alternating current to the stator coil.









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