Global patent index - EP 0983601 A1

EP 0983601 A1 2000-03-08 - ROTATION-ACTIVATED CIRCUIT-BREAKER WITH A LEADING AUXILIARY SWITCH

Title (en)

ROTATION-ACTIVATED CIRCUIT-BREAKER WITH A LEADING AUXILIARY SWITCH

Title (de)

DREHBETÄTIGTER SCHUTZSCHALTER MIT VOREILENDEM HILFSSCHALTER

Title (fr)

DISJONCTEUR A COMMANDE EN ROTATION DOTE D'UN CONTACTEUR AUXILIAIRE A ACTION AVANCEE

Publication

EP 0983601 A1 (DE)

Application

EP 99907614 A

Priority

  • DE 19812503 A
  • EP 9901508 W

Abstract (en)

[origin: WO9949490A1] The invention relates to a circuit-breaker which is activated by rotation and which has a leading auxiliary switch. When the circuit-breaker is switched on, the auxiliary contacts of the auxiliary switch (4) are activated temporally before the main contacts. The invention provides for an actuator element (6) containing a driving pinion (20) which is rotation-activated by an actuating mechanism (8) and a first gear rack (21) which is arranged in such a way that it can be moved longitudinally. Said first gear rack (21) engages with the drive pinion (20) and activates the auxiliary switch (4). A second gear rack (22) and an associated output pinion (30) are also provided, said second gear rack (22) being lag-connected to the first gear rack (21) in the direction of switching on (27). Said output pinion (30) is connected to an actuating shaft for the breaker mechanism of the circuit-breaker (2). The tooth pitch of the output pinion and the second gear rack (22) is greater than the tooth pitch of the drive pinion (20) and the first gear rack (21) to the extent that the overall angle of rotation of the drive pinion (20) and output pinion is constant for the entire switching-on movement of the actuating mechanism (8).

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

H01H 71/46

IPC 8 full level (invention and additional information)

H01H 73/42 (2006.01); H01H 33/16 (2006.01); H01H 71/46 (2006.01); H01H 3/40 (2006.01); H01H 71/56 (2006.01); H01H 83/12 (2006.01)

CPC (invention and additional information)

H01H 71/465 (2013.01); H01H 3/40 (2013.01); H01H 71/56 (2013.01); H01H 83/12 (2013.01)

Citation (search report)

See references of WO 9949490A1

Designated contracting state (EPC)

AT CH DE FR GB IT LI

EPO simple patent family

WO 9949490 A1 19990930; AT 326767 T 20060615; CN 1167099 C 20040915; CN 1258374 A 20000628; DE 19812503 C1 19991209; DE 59913427 D1 20060622; EP 0983601 A1 20000308; EP 0983601 B1 20060517; JP 2000514239 A 20001024; JP 3468780 B2 20031117; US 6124558 A 20000926

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