Method and system for adjusting an electromagnetic relay

Details Method and system for adjusting an electromagnetic relay Method and system for adjusting an electromagnetic relay

2011-04-12

2011-04-12

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

C335S131000, C324S418000, C029S606000, C029S622000

Reexamination Certificate

active

07924123

ABSTRACT:
An electromagnetic relay has a solenoid formed from a wound coil, a movable contact-point block having a movable iron core, an insulation holder integrated with the upper end portion of the movable iron core and a movable contact piece which is biased toward and supported by the insulation holder through a contact pressing spring, and a fixed iron core fitted in a through hole in a yoke. A restoring spring is inserted into an axial hole of the solenoid. The movable iron core of the movable contact-point block is slidably inserted into the axial hole of the solenoid from thereabove. The fixed iron core is inserted into the axial hole from therebelow. The movable iron core is adapted to be slid into the axial hole based on the magnetization force and the demagnetization of the coil to move the movable contact-point block back and forth.

REFERENCES:
patent: 3815060 (1974-06-01), Turnbull
patent: 8-329761 (1996-12-01), None
patent: 9-259728 (1997-10-01), None
patent: 2002-133989 (2002-05-01), None
patent: 2003-346621 (2003-12-01), None
International Search Report w/translation from PCT/JP2007/059749 dated Jul. 10, 2007 (2 pages).
Patent Abstracts of Japan; Publication No. 09-259728 dated Oct. 3, 1997; Matsushita Electric Works, Ltd. (1 page).
Patent Abstracts of Japan; Publication No. 2003-346621 dated Dec. 5, 2003; Matsushita Electric Works, Ltd. (11 pages).
Patent Abstracts of Japan; Publication No. 2002-133989 dated May 10, 2002; Matsushita Electric Works, Ltd. (16 pages).
Patent Abstracts of Japan; Publication No. 08-329761 dated Dec. 13, 1996; Mitsubishi Electric Corp. (1 page).

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