BI-DIRECTIONAL WRENCH Russian patent published in 2017 - IPC B25B13/46 B25B15/04 

FIELD: construction.

SUBSTANCE: bi-directional wrench has a working part that includes a main shaft for applying torque, a drive gear, a driven gear, an intermediate transfer shaft with an intermediate pinion mounted on it, a handle pivotable for engaging the rotation of the driving gear, a first locking element having a first pawl and a second pawl and a second retaining element having a third and fourth pawl and a reversing switch for mounting the first stopping echelon and the second stop element to the first state and the second state. In this case, the input torque applied by the operator is clockwise or counterclockwise, and the output torque of the output end of the bidirectional wrench is clockwise or counterclockwise.

EFFECT: providing two modes of operation with convenient transfer from one to another mode.

15 cl, 10 dwg