H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/103
H01H 50/56 (2006.01) H01H 51/02 (2006.01)
Patent
CA 1138499
CONTACT SPRING ARRANGEMENT FOR AN ELECTROMAGNETIC RELAY Abstract of the Disclosure A contact spring arrangement for an electromagnetic relay includes a contact spring forming at least one movable contact for cooperation with a fixed contact, and an actu- ator which embraces the contact spring and has a first por- tion for moving the movable contact towards the fixed con- tact, thereby closing the contact couple, and a second por- tion for withdrawing the movable contact from the fixed con- tact, thereby opening the contact couple. The actuator is so shaped that the distance between the location at which the first actuator portion engages the contact spring and the contacting location of the contact couple is greater than the distance between the location at which the second actuator portion engages the contact spring and the said contacting location. As a result, in the closed condition of the contact pair, the first actuator portion will be able to bend the contact spring to provide sufficient resilient contact force, whereas, in the opening of the contact couple, the second actuator portion will entrain the contact spring with very little resiliency of the contact spring, thus tending to tear the contact couple apart even in case stick- ing or welding should have occurred between the fixed and movable contacts.
345847
Antonitsch Sepp
Nishikawa Toyotaka
Nishimura Hiromi
Ono Kenji
Sauer Hans
Kirby Eades Gale Baker
Matsushita Electric Works Ltd.
Sds - Elektro G.m.b.h.
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