Electricity: circuit makers and breakers – Contact moved by sudden release of stored energy
Patent
1993-09-10
1995-08-22
Luebke, Renee S.
Electricity: circuit makers and breakers
Contact moved by sudden release of stored energy,
200425, 200324, H01H 500
Patent
active
054442028
ABSTRACT:
An actuator for the rapid connection and disconnection of a switch (10) has a primary shaft (12) , which can be rotated to and fro between a first end setting (18) and a second end setting (18') and possesses a tension lever (16). Seated in a rotationally secure manner on a delivery shaft (14) parallel to the primary shaft (12) is the drive shaft (22), which can be rotated, under the force of the spring-loading arrangement (26), from the disconnect setting (24) into the connect setting (24') and back. The spring-loading arrangement (26) includes a helical spring (28), which acts as a pre-tensioned compression spring and is supported by its spring ends (36, 36') on a respective butt strap (32, 34), which butt straps in turn interact, via driving stops (52, 54, 56, 58), with the tension lever (16) and the drive lever (22). A locking device supports the delivery shaft (14) in its disconnect and connect settings (24, 24') counter to the force of the helical spring (28), which can be tensioned upon the rotation of the primary shaft (12), until the primary shaft (12) has reached the corresponding unlatching setting.
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Gec Alsthom T&D AG
Luebke Renee S.
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