F - Mech Eng,Light,Heat,Weapons – 03 – G
Patent
F - Mech Eng,Light,Heat,Weapons
03
G
185/16, 188/20,
F03G 1/08 (2006.01) B60T 13/74 (2006.01) F16D 55/224 (2006.01) F16D 65/14 (2006.01) F16D 66/00 (2006.01) F16D 65/34 (2006.01)
Patent
CA 1217150
Abstract: A force-applying system comprising a first direct electric actuator and a second electrically-controlled spring-applied actuator wherein the output force-applying member of the second actuator is operable through a clutch one clutch member of which is operatively loaded by the force-applying spring of the second actuator and the other clutch member of which is controlled by a solenoid such that when the solenoid is energised said other clutch member is held out of engagement with said one clutch member and when the solenoid is de-energised the two clutch members are engaged operatively to connect the spring to the output member, the solenoid and the electric motor of the first actuator being controlled through an electrical circuit which ensures that the electric motor of the first actuator is de-energised whilst the solenoid is de-energised.
454107
Fetherstonhaugh & Co.
Westinghouse Brake And Signal Company Limited
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