Device for actuating a switch and drive motor having such a device

Device for actuating a switch and drive motor having such a device

  • CN 106,469,622 B
  • Filed: 06/27/2016
  • Issued: 11/06/2020
  • Est. Priority Date: 08/20/2015
  • Status: Active Grant
First Claim
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1. A drive motor for an electric switch (900), comprising a movable arm (950) for operating a handle (910) of the electric switch (900) and a device (100) for actuating the switch, the device (100) comprising an actuator (200), a spring (400) and a spring support (300), wherein the actuator (200) and the spring support (300) are rotatably arranged on a common shaft (500),-wherein the actuator (200) comprises a first element (210) for operating the switch and a second element (220) for operation of the actuator (200),-wherein the spring support (300) can be connected in a stationary manner to a housing (600) of the drive motor and to the actuator (200) via a spring (400), and-wherein the drive motor additionally comprises a cover (620) for the movable arm (950) and a safety switch (610),-wherein a first element (210) of the actuator (200) is operable to operate the safety switch (610) and a second element (220) of the actuator (200) is operable by the cover (620), and-wherein the actuator (200) is rotated by means of the spring (400) towards a first end position in which the safety switch (610) is operated.

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