| 摘要 |
A mechanical asymmetrical activator for electrical contactors in the manufacturing of fire pump controllers comprising a flexible cable and pulley system wherein the pulling of the flexible cable engages the pulley system to activate contactor. The activator comprises a compound pulley assembly comprising a first pulley with a fixed axle and a second pulley with a free axle, an arm in cooperation with the free axle and adapted to engage the contact carrier of a contactor and a plurality of mounting attachments for engaging the auxiliary contactor mounting points of a contactor. |
