EP 0818049 B1 20020327 - SAFETY SWITCH
Title (en)
SAFETY SWITCH
Title (de)
SICHERHEITSSCHALTER
Title (fr)
INTERRUPTEUR DE SECURITE
Publication
Application
Priority
- DE 19602690 A 19960126
- EP 9700061 W 19970109
Abstract (en)
[origin: US5868243A] PCT No. PCT/EP97/00061 Sec. 371 Date Sep. 22, 1997 Sec. 102(e) Date Sep. 22, 1997 PCT Filed Jan. 9, 1997 PCT Pub. No. WO97/27603 PCT Pub. Date Jul. 31, 1997A safety switch for a guard device associated with a machine or a device, the safety switch has a switch housing, a switch head connected to the switch housing and having a drive device actuatable by a key insertable into and removable from the switch head, a switch actuating device which is displaceable counter to a restoring force into a position corresponding to a first switch position by an actuating force generated by the drive device and without this actuating force exerted by the restoring force assumes a position corresponding to a second switch position, a sensor detecting a presence and an absence of the switch head, and an actuator arranged in the switch housing and operating so that under a control of the sensor in the event of loosening of the switch head from the switch housing exerts a force on the switch actuating device in a direction of motion to the restoring force, that is equal to or greater than the restoring force, depending on whether the switch actuating device is to be held in a previously assumed position or is to be returned thereto.
IPC 1-7
IPC 8 full level
H01H 27/06 (2006.01); H01H 27/00 (2006.01); H01H 9/22 (2006.01)
CPC (source: EP US)
H01H 27/002 (2013.01 - EP US); H01H 9/22 (2013.01 - EP US); H01H 27/007 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH FR GB IT LI NL SE
DOCDB simple family (publication)
US 5868243 A 19990209; AT E215261 T1 20020415; DE 19602690 C1 19970410; EP 0818049 A1 19980114; EP 0818049 B1 20020327; JP H11502669 A 19990302; WO 9727603 A1 19970731
DOCDB simple family (application)
US 91393997 A 19970922; AT 97900579 T 19970109; DE 19602690 A 19960126; EP 9700061 W 19970109; EP 97900579 A 19970109; JP 52647397 A 19970109