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 8/18 (2006.01) B60T 13/74 (2006.01) B60T 17/16 (2006.01) B61H 1/00 (2006.01) F16D 55/224 (2006.01) F16D 65/14 (2006.01) F16D 65/54 (2006.01) F16D 66/00 (2006.01) F16D 65/34 (2006.01)
Patent
CA 1217149
Abstract: An electric actuator having an electric motor operable to control the output force generated by a spring system of the actuator on an output member of the actuator; measuring means responsive to a characteristic of the spring system which is indicative of the value of the output force; and an electrical circuit by which operation of the electric motor can be initiated and can be terminated when the measuring means detects the characteristic as being indicative of the output force being of a required value.
454105
Cogan Howard F.
Washbourn Jack
Fetherstonhaugh & Co.
Westinghouse Brake And Signal Company Limited
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