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| Number | Title | Issue Date |
| 5113056 | Stored-spring-energy actuator mechanism for a high-voltage circuit breaker The stored-spring-energy actuator mechanism (210) for the high-voltage circuit breaker (218) has a spiral spring (216) which can be loaded by means of the loading device (212). The high-voltage circuit breaker (218) can be switched on once and off once wi... | 05/12/1992 |
| 4996397 | Spring-force drive for a power switch Two disks per vacuum switch tube are mounted on a drive shaft, the disks having grooves running around the drive shaft and open in relation to one another. In the grooves of two of these disks, a cylindrical follower is guided, the movement of which is tr... | 02/26/1991 |
| 4968861 | Actuator mechanism for a high-voltage circuit breaker In a stored-spring-energy type actuator mechanism for a high-voltage circuit breaker, energy is stored in a spiral spring in order to switch on the circuit breaker and also to load a switch-off spring of the circuit breaker. To store sufficient energy for... | 11/06/1990 |