EXTENSION-TYPE DEVICE FOR SWITCH, AND SWITCH HAVING SUCH DEVICE Russian patent published in 2011 - IPC H02B11/173 H01H73/00 

FIELD: electricity.

SUBSTANCE: invention refers to extension-type device for the switch, which includes the following: axis having the configuration providing the possibility of its manual rotation; movable plate connected to the thread part of axis to provide the possibility of movement of movable plate backwards and forwards in interaction with axis; the first gear racks having the configuration providing the possibility of their backward and forward movement together with movement of the first gear racks of movable plate backwards and forwards; gears having the possibility of being turned together with movement of the first gear racks; connection elements having the configuration providing the possibility of transfer of motive force to change the position of the main housing of the switch; tractive gears having the configuration providing the possibility of motive force transfer from connection elements; guide plates having the configuration providing the possibility of movement of the main housing of the switch; and second gear racks engaged with tractive gears to provide horizontal movement of guide plates together with turn of tractive gears.

EFFECT: excluding the damage or deformation of components for energy transfer, which are provided in extension-type device owing to providing continuous energy transfer.

11 cl, 17 dwg