H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/316
H01H 3/06 (2006.01) H01H 3/30 (2006.01) H01H 3/42 (2006.01) H01H 5/10 (2006.01) H01H 9/24 (2006.01)
Patent
CA 2038078
An operating mechanism of a three-position switch having a contact-bearing main shaft comprises a switch closing and opening operating device, and an earthing device closing and opening operating device. The two devices comprise driving flange plates connected by a common spring capable of being loaded by rotation of either of the operating shafts and transmitting after they deadpoint has been reached a drive movement of these flange plates transmitted by articulated levers to a crank handle wedged onto the main shaft. All the operations are high-speed and the torque transmitted to the main shaft increases in the course of the operating movement. A locking device maintains the main shaft in the open position during the loading phase of the spring.
Bonnardel Patrick
Filiputti Hughes
Humbert Thierry
Rigaud Marcel
Vernay Jacques
Gerin Merlin
Robic
LandOfFree
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