Title:
RELAY CONTACT MONITORING APPARATUS FOR USE WITH PRESS
Document Type and Number:
Japanese Patent JPS5363675
Kind Code:
A
Abstract:
PURPOSE: To provide a relay contact monitoring apparatus for use in press, which monitors the condition that contact resistance has become larger than a pre-set value obtained statistically from the phenomenon that contact resistance is increased with repeated use of the contact, and lights an indication lamp under such circumstances.
Inventors:
AZEYANAGI MORITAKA
ISHIDA TOSHIYA
ISHIDA TOSHIYA
Application Number:
JP13848776A
Publication Date:
June 07, 1978
Filing Date:
November 19, 1976
Export Citation:
Assignee:
AIDA ENG LTD
International Classes:
H02H3/05; B30B15/28; G01R31/00; H01H47/00; H02H3/00; (IPC1-7): B30B15/28; G01R31/00; H01H47/00; H02H3/00