Global Patent Index - EP 1237809 A1

EP 1237809 A1 2002-09-11 - METHOD AND DEVICE FOR REDUCING THE POLYGON EFFECT IN THE REVERSING AREA OF PEDESTRIAN CONVEYOR SYSTEMS

Title (en)

METHOD AND DEVICE FOR REDUCING THE POLYGON EFFECT IN THE REVERSING AREA OF PEDESTRIAN CONVEYOR SYSTEMS

Title (de)

VERFAHREN UND EINRICHTUNG ZUR REDUZIERUNG DES POLYGONEFFEKTES IM UMLENKBEREICH VON PERSONENFÖRDERANLAGEN

Title (fr)

PROCEDE ET DISPOSITIF POUR LA REDUCTION DE L'EFFET POLYGONAL DANS LA ZONE D'INVERSION DE SYSTEMES TRANSPORTEURS DE PERSONNES

Publication

EP 1237809 A1 (DE)

Application

EP 00974476 A

Priority

  • DE 19958709 A
  • EP 0010631 W

Abstract (en)

[origin: WO0142122A1] The invention relates to a method for reducing the polygon effect that occurs over the course of the reversing of a chain, which can be used for a pedestrian conveyor, especially an escalator or moving walkway. To this end, a different rotational speed is superimposed upon the rotational speed of the reversing wheel via the electric drive which indirectly or directly acts upon said reversing wheel.

IPC 1-7 (main, further and additional classification)

B66B 23/02

IPC 8 full level (invention and additional information)

B66B 23/02 (2006.01)

CPC (invention and additional information)

B66B 23/022 (2013.01)

Citation (search report)

See references of WO 0142122A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0142122 A1 20010614; AT 253525 T 20031115; AU 1276801 A 20010618; BR 0016185 A 20020813; BR 0016185 B1 20121211; CN 1269721 C 20060816; CN 1407946 A 20030402; DE 19958709 A1 20010613; DE 19958709 C2 20011025; EP 1237809 A1 20020911; EP 1237809 B1 20031105; ES 2208432 T3 20040616; HK 1051352 A1 20061117; HU 0203344 A2 20030528; HU 224594 B1 20051128; JP 2003516290 A 20030513; RU 2002118109 A 20040127; RU 2247069 C2 20050227; SK 286863 B6 20090605; SK 7952002 A3 20021008; US 2002153224 A1 20021024; US 6637579 B2 20031028

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