Linkage Device for Electric Switch Assembly and Electric Switch Assembly Comprising the Linkage Device
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Sep 26, 2024
filing date -
Sep 26, 2024
priority date (Note) -
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Abstract
A linkage device adapted to control two electric switches including a main control shaft member, an actuation system including a first actuation member for actuating a control shaft of a first electric switch, and a second actuation member for actuating a control shaft of a second electric switch. A mechanism of the linkage device is provided with a torque limiting connection for each electric switch, wherein the torque limiting connection is adapted to disengage during an opening event if a torque exerted to an actuation member exceeds a predetermined limit value. The linkage device includes a stopping member system adapted to co-operate with a linkage arm system for preventing rotation of the main control shaft member to an OFF-position when the torque limiting connection of at least one linkage arm of the linkage arm system is in a disengaged position.
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