UNIVERSAL DEVICE FOR UNSCREWING AND TIGHTENING OF BOLTS OF ONBOARD GEARBOX Russian patent published in 2025 - IPC B25B13/48 

FIELD: military equipment.

SUBSTANCE: invention relates to repair of armoured weapons and equipment. It is intended for replacement of onboard gearbox in field conditions, and can be used in military repair of armoured fighting vehicles BMP-1, BMP-2, T-72 tanks and vehicles on their base chassis. Universal device for unscrewing and tightening the bolts of the final drive contains a round metal pipe, into which a wrench is inserted with possibility of rotation inside the pipe, wherein the universal device is equipped with a second round metal pipe, and said pipes are connected to each other by a metal rod with an external thread, which by its ends is screwed into nuts welded to said metal pipes, one of the metal pipes is made with a diameter that provides the possibility of its installation on the shaft of the onboard gearbox and rotation on its axis, the other metal pipe is made with a diameter providing the possibility of the specified wrench passing through it with the possibility of its rotation around its axis.

EFFECT: reduced labour intensity of dismantling and erection works.

1 cl, 3 dwg