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Title:
PUSH BUTTON SWITCH, AND TEACHING PENDANT THEREWITH
Document Type and Number:
Japanese Patent JP3677199
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a push button switch capable of reliably performing ON- OFF operation of the push button switch even when one contact is failed while using the push button switch, and a teaching pendant using the same.
SOLUTION: Two c-contacts 9a and 9b having a snap action are provided in a switch case 3, and switching mechanisms 11a and 11b for opening/closing the c-contacts 9a and 9b are provided. When a push button 5 is pushed in, the c-contacts 9a and 9b are simultaneously opened/closed by the switching mechanisms 11a and 11b to turn ON/turn OFF the push button switch 1.


Inventors:
Takao Fukui
Kenji Miyauchi
Kazuya Okada
Yasushi Ueno
Ken Maeda
Yoshio Sekino
Application Number:
JP2000232229A
Publication Date:
July 27, 2005
Filing Date:
July 31, 2000
Export Citation:
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Assignee:
Izumi Electric Co., Ltd.
International Classes:
B25J19/06; G05B19/00; H01H3/02; B25J9/22; H01H13/50; H01H13/52; H01H13/64; H01H3/00; H01H3/12; H01H9/02; H01H9/18; H01H13/28; H01H13/66; H01H13/72; H01H15/10; (IPC1-7): H01H13/64; B25J9/22; B25J19/06; H01H3/02
Domestic Patent References:
JP11195346A
JP58064035U
Foreign References:
WO1998049701A1
Attorney, Agent or Firm:
Ryose Uji
Kakusho Shoichi